java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c372c2b [2018-10-02 12:16:07,335 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 12:16:07,337 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 12:16:07,354 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 12:16:07,355 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 12:16:07,356 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 12:16:07,357 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 12:16:07,359 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 12:16:07,361 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 12:16:07,362 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 12:16:07,363 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 12:16:07,363 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 12:16:07,364 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 12:16:07,365 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 12:16:07,366 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 12:16:07,367 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 12:16:07,368 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 12:16:07,369 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 12:16:07,371 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 12:16:07,375 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 12:16:07,376 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 12:16:07,381 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 12:16:07,386 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-02 12:16:07,400 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default_PUPT.epf [2018-10-02 12:16:07,426 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 12:16:07,427 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 12:16:07,428 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 12:16:07,428 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 12:16:07,429 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 12:16:07,429 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 12:16:07,432 INFO L133 SettingsManager]: * Use SBE=true [2018-10-02 12:16:07,432 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 12:16:07,433 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 12:16:07,433 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 12:16:07,433 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 12:16:07,433 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 12:16:07,433 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 12:16:07,434 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 12:16:07,434 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 12:16:07,434 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 12:16:07,434 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 12:16:07,435 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 12:16:07,436 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 12:16:07,436 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-02 12:16:07,436 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 12:16:07,436 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-02 12:16:07,437 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-02 12:16:07,437 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 12:16:07,437 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 12:16:07,437 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 12:16:07,437 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-02 12:16:07,438 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 12:16:07,438 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 12:16:07,438 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 12:16:07,438 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-02 12:16:07,502 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 12:16:07,519 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 12:16:07,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 12:16:07,525 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 12:16:07,526 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 12:16:07,528 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl [2018-10-02 12:16:07,529 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl' [2018-10-02 12:16:07,611 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 12:16:07,615 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 12:16:07,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 12:16:07,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 12:16:07,616 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 12:16:07,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:16:07" (1/1) ... [2018-10-02 12:16:07,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:16:07" (1/1) ... [2018-10-02 12:16:07,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 12:16:07,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 12:16:07,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 12:16:07,682 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 12:16:07,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:16:07" (1/1) ... [2018-10-02 12:16:07,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:16:07" (1/1) ... [2018-10-02 12:16:07,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:16:07" (1/1) ... [2018-10-02 12:16:07,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:16:07" (1/1) ... [2018-10-02 12:16:07,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:16:07" (1/1) ... [2018-10-02 12:16:07,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:16:07" (1/1) ... [2018-10-02 12:16:07,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:16:07" (1/1) ... [2018-10-02 12:16:07,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 12:16:07,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 12:16:07,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 12:16:07,722 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 12:16:07,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:16:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-02 12:16:07,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-02 12:16:07,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-02 12:16:08,523 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-02 12:16:08,524 INFO L202 PluginConnector]: Adding new model pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:16:08 BoogieIcfgContainer [2018-10-02 12:16:08,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 12:16:08,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-02 12:16:08,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-02 12:16:08,528 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-02 12:16:08,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:16:07" (1/2) ... [2018-10-02 12:16:08,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc451cc and model type pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 12:16:08, skipping insertion in model container [2018-10-02 12:16:08,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:16:08" (2/2) ... [2018-10-02 12:16:08,532 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl [2018-10-02 12:16:08,543 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-02 12:16:08,552 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-02 12:16:08,604 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-02 12:16:08,605 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-02 12:16:08,605 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-02 12:16:08,606 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-02 12:16:08,606 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-02 12:16:08,606 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-02 12:16:08,606 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-02 12:16:08,606 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-02 12:16:08,606 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-02 12:16:08,626 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-10-02 12:16:08,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:16:08,643 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 12:16:08,644 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 12:16:08,646 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 12:16:08,653 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 12:16:08,653 INFO L82 PathProgramCache]: Analyzing trace with hash -61215035, now seen corresponding path program 1 times [2018-10-02 12:16:08,656 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 12:16:08,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 12:16:08,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:08,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 12:16:08,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:16:08,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:16:08,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 12:16:08,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-02 12:16:08,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 12:16:08,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 12:16:08,940 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-02 12:16:08,942 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 3 states. [2018-10-02 12:16:09,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 12:16:09,058 INFO L93 Difference]: Finished difference Result 54 states and 77 transitions. [2018-10-02 12:16:09,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 12:16:09,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-10-02 12:16:09,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 12:16:09,074 INFO L225 Difference]: With dead ends: 54 [2018-10-02 12:16:09,074 INFO L226 Difference]: Without dead ends: 35 [2018-10-02 12:16:09,077 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime [2018-10-02 12:16:09,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-10-02 12:16:09,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2018-10-02 12:16:09,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-10-02 12:16:09,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 47 transitions. [2018-10-02 12:16:09,123 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 47 transitions. Word has length 17 [2018-10-02 12:16:09,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 12:16:09,123 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 47 transitions. [2018-10-02 12:16:09,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 12:16:09,123 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2018-10-02 12:16:09,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:16:09,124 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 12:16:09,124 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 12:16:09,125 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 12:16:09,125 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 12:16:09,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1341078713, now seen corresponding path program 1 times [2018-10-02 12:16:09,125 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 12:16:09,125 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 12:16:09,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:09,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 12:16:09,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:16:09,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:16:09,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 12:16:09,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-02 12:16:09,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 12:16:09,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 12:16:09,254 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-02 12:16:09,254 INFO L87 Difference]: Start difference. First operand 33 states and 47 transitions. Second operand 3 states. [2018-10-02 12:16:09,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 12:16:09,305 INFO L93 Difference]: Finished difference Result 97 states and 139 transitions. [2018-10-02 12:16:09,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 12:16:09,306 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-10-02 12:16:09,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 12:16:09,308 INFO L225 Difference]: With dead ends: 97 [2018-10-02 12:16:09,308 INFO L226 Difference]: Without dead ends: 65 [2018-10-02 12:16:09,309 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime [2018-10-02 12:16:09,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-10-02 12:16:09,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2018-10-02 12:16:09,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-10-02 12:16:09,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 90 transitions. [2018-10-02 12:16:09,329 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 90 transitions. Word has length 17 [2018-10-02 12:16:09,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 12:16:09,330 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 90 transitions. [2018-10-02 12:16:09,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 12:16:09,330 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2018-10-02 12:16:09,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:16:09,331 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 12:16:09,331 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 12:16:09,331 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 12:16:09,332 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 12:16:09,332 INFO L82 PathProgramCache]: Analyzing trace with hash -754272699, now seen corresponding path program 1 times [2018-10-02 12:16:09,332 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 12:16:09,332 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 12:16:09,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:09,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 12:16:09,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:16:09,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:16:09,481 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 12:16:09,481 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-02 12:16:09,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 12:16:09,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 12:16:09,484 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-02 12:16:09,484 INFO L87 Difference]: Start difference. First operand 63 states and 90 transitions. Second operand 3 states. [2018-10-02 12:16:09,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 12:16:09,578 INFO L93 Difference]: Finished difference Result 187 states and 268 transitions. [2018-10-02 12:16:09,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 12:16:09,579 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-10-02 12:16:09,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 12:16:09,582 INFO L225 Difference]: With dead ends: 187 [2018-10-02 12:16:09,583 INFO L226 Difference]: Without dead ends: 125 [2018-10-02 12:16:09,584 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime [2018-10-02 12:16:09,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-10-02 12:16:09,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2018-10-02 12:16:09,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-10-02 12:16:09,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 174 transitions. [2018-10-02 12:16:09,633 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 174 transitions. Word has length 17 [2018-10-02 12:16:09,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 12:16:09,634 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 174 transitions. [2018-10-02 12:16:09,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 12:16:09,634 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 174 transitions. [2018-10-02 12:16:09,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:16:09,635 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 12:16:09,635 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 12:16:09,635 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 12:16:09,636 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 12:16:09,636 INFO L82 PathProgramCache]: Analyzing trace with hash -53208121, now seen corresponding path program 1 times [2018-10-02 12:16:09,636 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 12:16:09,636 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 12:16:09,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:09,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 12:16:09,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:16:09,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:16:09,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 12:16:09,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-02 12:16:09,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 12:16:09,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 12:16:09,744 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-02 12:16:09,744 INFO L87 Difference]: Start difference. First operand 123 states and 174 transitions. Second operand 3 states. [2018-10-02 12:16:09,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 12:16:09,886 INFO L93 Difference]: Finished difference Result 367 states and 520 transitions. [2018-10-02 12:16:09,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 12:16:09,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-10-02 12:16:09,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 12:16:09,889 INFO L225 Difference]: With dead ends: 367 [2018-10-02 12:16:09,890 INFO L226 Difference]: Without dead ends: 245 [2018-10-02 12:16:09,891 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime [2018-10-02 12:16:09,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-10-02 12:16:09,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 243. [2018-10-02 12:16:09,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-10-02 12:16:09,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 338 transitions. [2018-10-02 12:16:09,956 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 338 transitions. Word has length 17 [2018-10-02 12:16:09,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 12:16:09,956 INFO L480 AbstractCegarLoop]: Abstraction has 243 states and 338 transitions. [2018-10-02 12:16:09,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 12:16:09,957 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 338 transitions. [2018-10-02 12:16:09,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:16:09,957 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 12:16:09,958 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 12:16:09,958 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 12:16:09,958 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 12:16:09,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1721799241, now seen corresponding path program 1 times [2018-10-02 12:16:09,958 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 12:16:09,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 12:16:09,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:09,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 12:16:09,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:16:10,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:16:10,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 12:16:10,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-02 12:16:10,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-02 12:16:10,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-02 12:16:10,212 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-02 12:16:10,212 INFO L87 Difference]: Start difference. First operand 243 states and 338 transitions. Second operand 4 states. [2018-10-02 12:16:10,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 12:16:10,806 INFO L93 Difference]: Finished difference Result 517 states and 707 transitions. [2018-10-02 12:16:10,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-02 12:16:10,807 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-10-02 12:16:10,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 12:16:10,811 INFO L225 Difference]: With dead ends: 517 [2018-10-02 12:16:10,811 INFO L226 Difference]: Without dead ends: 515 [2018-10-02 12:16:10,814 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time 0.0s impTime [2018-10-02 12:16:10,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2018-10-02 12:16:10,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 275. [2018-10-02 12:16:10,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-10-02 12:16:10,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 370 transitions. [2018-10-02 12:16:10,890 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 370 transitions. Word has length 17 [2018-10-02 12:16:10,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 12:16:10,890 INFO L480 AbstractCegarLoop]: Abstraction has 275 states and 370 transitions. [2018-10-02 12:16:10,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-02 12:16:10,895 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 370 transitions. [2018-10-02 12:16:10,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:16:10,896 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 12:16:10,896 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-02 12:16:10,896 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 12:16:10,897 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 12:16:10,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1721858823, now seen corresponding path program 1 times [2018-10-02 12:16:10,897 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 12:16:10,897 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 12:16:10,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:10,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 12:16:10,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:16:11,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:16:11,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 12:16:11,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 12:16:11,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-02 12:16:11,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-02 12:16:11,037 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-02 12:16:11,037 INFO L87 Difference]: Start difference. First operand 275 states and 370 transitions. Second operand 4 states. [2018-10-02 12:16:11,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 12:16:11,766 INFO L93 Difference]: Finished difference Result 879 states and 1193 transitions. [2018-10-02 12:16:11,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-02 12:16:11,767 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-10-02 12:16:11,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 12:16:11,770 INFO L225 Difference]: With dead ends: 879 [2018-10-02 12:16:11,771 INFO L226 Difference]: Without dead ends: 605 [2018-10-02 12:16:11,772 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime [2018-10-02 12:16:11,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2018-10-02 12:16:11,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 605. [2018-10-02 12:16:11,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2018-10-02 12:16:11,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 776 transitions. [2018-10-02 12:16:11,878 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 776 transitions. Word has length 17 [2018-10-02 12:16:11,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 12:16:11,878 INFO L480 AbstractCegarLoop]: Abstraction has 605 states and 776 transitions. [2018-10-02 12:16:11,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-02 12:16:11,878 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 776 transitions. [2018-10-02 12:16:11,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-02 12:16:11,884 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 12:16:11,884 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] [2018-10-02 12:16:11,884 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 12:16:11,885 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 12:16:11,885 INFO L82 PathProgramCache]: Analyzing trace with hash 868944887, now seen corresponding path program 1 times [2018-10-02 12:16:11,885 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 12:16:11,885 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 12:16:11,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:11,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 12:16:11,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:16:12,021 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-02 12:16:12,022 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 12:16:12,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 12:16:12,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 12:16:12,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 12:16:12,023 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-02 12:16:12,023 INFO L87 Difference]: Start difference. First operand 605 states and 776 transitions. Second operand 3 states. [2018-10-02 12:16:12,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 12:16:12,487 INFO L93 Difference]: Finished difference Result 1809 states and 2322 transitions. [2018-10-02 12:16:12,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 12:16:12,488 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-10-02 12:16:12,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 12:16:12,494 INFO L225 Difference]: With dead ends: 1809 [2018-10-02 12:16:12,495 INFO L226 Difference]: Without dead ends: 1207 [2018-10-02 12:16:12,497 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime [2018-10-02 12:16:12,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2018-10-02 12:16:12,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1205. [2018-10-02 12:16:12,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2018-10-02 12:16:12,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1508 transitions. [2018-10-02 12:16:12,720 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1508 transitions. Word has length 62 [2018-10-02 12:16:12,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 12:16:12,720 INFO L480 AbstractCegarLoop]: Abstraction has 1205 states and 1508 transitions. [2018-10-02 12:16:12,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 12:16:12,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1508 transitions. [2018-10-02 12:16:12,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-02 12:16:12,725 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 12:16:12,725 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] [2018-10-02 12:16:12,726 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 12:16:12,726 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 12:16:12,726 INFO L82 PathProgramCache]: Analyzing trace with hash 2034253683, now seen corresponding path program 1 times [2018-10-02 12:16:12,726 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 12:16:12,726 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 12:16:12,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:12,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 12:16:12,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:16:13,165 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 55 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-02 12:16:13,165 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-02 12:16:13,165 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-02 12:16:13,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 12:16:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:16:13,317 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 12:16:14,473 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-02 12:16:14,506 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-02 12:16:14,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2018-10-02 12:16:14,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-02 12:16:14,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-02 12:16:14,507 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-02 12:16:14,507 INFO L87 Difference]: Start difference. First operand 1205 states and 1508 transitions. Second operand 8 states. [2018-10-02 12:16:20,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 12:16:20,636 INFO L93 Difference]: Finished difference Result 2293 states and 2844 transitions. [2018-10-02 12:16:20,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-02 12:16:20,637 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 62 [2018-10-02 12:16:20,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 12:16:20,645 INFO L225 Difference]: With dead ends: 2293 [2018-10-02 12:16:20,645 INFO L226 Difference]: Without dead ends: 1091 [2018-10-02 12:16:20,647 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5s Time 1.3s impTime [2018-10-02 12:16:20,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2018-10-02 12:16:20,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 653. [2018-10-02 12:16:20,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2018-10-02 12:16:20,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 808 transitions. [2018-10-02 12:16:20,956 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 808 transitions. Word has length 62 [2018-10-02 12:16:20,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 12:16:20,957 INFO L480 AbstractCegarLoop]: Abstraction has 653 states and 808 transitions. [2018-10-02 12:16:20,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-02 12:16:20,957 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 808 transitions. [2018-10-02 12:16:20,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-02 12:16:20,959 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 12:16:20,960 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] [2018-10-02 12:16:20,960 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 12:16:20,960 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 12:16:20,961 INFO L82 PathProgramCache]: Analyzing trace with hash -552343681, now seen corresponding path program 2 times [2018-10-02 12:16:20,961 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 12:16:20,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 12:16:20,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:20,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 12:16:20,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:16:21,084 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-10-02 12:16:21,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 12:16:21,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-02 12:16:21,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 12:16:21,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 12:16:21,086 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-02 12:16:21,086 INFO L87 Difference]: Start difference. First operand 653 states and 808 transitions. Second operand 3 states. [2018-10-02 12:16:21,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 12:16:21,490 INFO L93 Difference]: Finished difference Result 1109 states and 1359 transitions. [2018-10-02 12:16:21,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 12:16:21,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2018-10-02 12:16:21,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 12:16:21,493 INFO L225 Difference]: With dead ends: 1109 [2018-10-02 12:16:21,493 INFO L226 Difference]: Without dead ends: 459 [2018-10-02 12:16:21,494 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime [2018-10-02 12:16:21,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2018-10-02 12:16:21,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 457. [2018-10-02 12:16:21,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2018-10-02 12:16:21,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 540 transitions. [2018-10-02 12:16:21,721 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 540 transitions. Word has length 77 [2018-10-02 12:16:21,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 12:16:21,721 INFO L480 AbstractCegarLoop]: Abstraction has 457 states and 540 transitions. [2018-10-02 12:16:21,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 12:16:21,722 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 540 transitions. [2018-10-02 12:16:21,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-02 12:16:21,725 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 12:16:21,725 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2018-10-02 12:16:21,725 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-02 12:16:21,726 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 12:16:21,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1096614215, now seen corresponding path program 3 times [2018-10-02 12:16:21,726 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 12:16:21,727 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 12:16:21,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:21,729 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-02 12:16:21,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 12:16:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:16:21,874 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-10-02 12:16:21,874 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 12:16:21,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 12:16:21,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-02 12:16:21,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-02 12:16:21,875 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-02 12:16:21,875 INFO L87 Difference]: Start difference. First operand 457 states and 540 transitions. Second operand 3 states. [2018-10-02 12:16:21,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 12:16:21,959 INFO L93 Difference]: Finished difference Result 464 states and 547 transitions. [2018-10-02 12:16:21,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-02 12:16:21,960 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-10-02 12:16:21,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 12:16:21,960 INFO L225 Difference]: With dead ends: 464 [2018-10-02 12:16:21,960 INFO L226 Difference]: Without dead ends: 0 [2018-10-02 12:16:21,961 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime [2018-10-02 12:16:21,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-02 12:16:21,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-02 12:16:21,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-02 12:16:21,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-02 12:16:21,963 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 92 [2018-10-02 12:16:21,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 12:16:21,963 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-02 12:16:21,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-02 12:16:21,963 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-02 12:16:21,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-02 12:16:21,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-02 12:16:22,276 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2018-10-02 12:16:22,711 WARN L178 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 56 [2018-10-02 12:16:23,925 WARN L178 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 72 DAG size of output: 37 [2018-10-02 12:16:24,667 WARN L178 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2018-10-02 12:16:25,096 WARN L178 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2018-10-02 12:16:25,615 WARN L178 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2018-10-02 12:16:25,839 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 56 [2018-10-02 12:16:26,263 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2018-10-02 12:16:26,335 INFO L421 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) (<= 0 ~send4) (<= ~mode1 1) (<= ~send4 127) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256))) (<= ~send5 127)) [2018-10-02 12:16:26,335 INFO L421 ceAbstractionStarter]: At program point L411(lines 407 418) the Hoare annotation is: (and (<= 1 ~mode4) (<= 0 ~send5) (<= 1 ~mode1) (<= 0 ~send4) (<= ~mode1 1) (<= ~send4 127) (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)))) (<= ~mode4 1) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (not (= ~p4_old ~nomsg)) (<= ~send5 127)) [2018-10-02 12:16:26,336 INFO L421 ceAbstractionStarter]: At program point L279(lines 279 291) the Hoare annotation is: (let ((.cse1 (<= 0 ~send4)) (.cse3 (= 0 (+ ~nomsg 1))) (.cse4 (<= ~r1 (* 256 (div ~r1 256)))) (.cse0 (<= 0 ~send5)) (.cse2 (<= ~send4 127)) (.cse5 (<= ~send5 127))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) (= ~mode3 (* 256 (div ~mode3 256))) .cse0 (= ~mode1 (* 256 (div ~mode1 256))) .cse1 (= ~mode2 (* 256 (div ~mode2 256))) .cse2 .cse3 .cse4 (= ~mode4 (* 256 (div ~mode4 256))) .cse5) (and (<= 1 ~mode4) .cse1 .cse3 .cse4 .cse0 (<= 1 ~mode1) (<= ~mode1 1) (not (= ~p4_old ~nomsg)) .cse2 (<= ~mode4 1) (exists ((v_prenex_1 Int)) (let ((.cse6 (mod v_prenex_1 256))) (and (= .cse6 ~p5_old) (<= .cse6 127) (<= v_prenex_1 127) (<= 0 v_prenex_1)))) .cse5))) [2018-10-02 12:16:26,336 INFO L421 ceAbstractionStarter]: At program point L432(lines 432 439) the Hoare annotation is: (and (<= 1 ~mode4) (= ULTIMATE.start_assert_~arg 1) (<= 0 ~send4) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (not (= ~p4_old ~nomsg)) (<= 0 ~send5) (<= 1 ~mode1) (<= ~mode1 1) (<= 1 ULTIMATE.start_check_~tmp~108) (<= ~send4 127) (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)))) (<= ~mode4 1) (<= ~send5 127)) [2018-10-02 12:16:26,336 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 443) no Hoare annotation was computed. [2018-10-02 12:16:26,336 INFO L421 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) (<= 0 ~send4) (<= ~mode1 1) (<= ~send4 127) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256))) (<= ~send5 127)) [2018-10-02 12:16:26,337 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 81 444) no Hoare annotation was computed. [2018-10-02 12:16:26,337 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 81 444) no Hoare annotation was computed. [2018-10-02 12:16:26,337 INFO L421 ceAbstractionStarter]: At program point L441(lines 272 441) the Hoare annotation is: (let ((.cse1 (<= 0 ~send4)) (.cse3 (= 0 (+ ~nomsg 1))) (.cse4 (<= ~r1 (* 256 (div ~r1 256)))) (.cse0 (<= 0 ~send5)) (.cse2 (<= ~send4 127)) (.cse5 (<= ~send5 127))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) (= ~mode3 (* 256 (div ~mode3 256))) .cse0 (= ~mode1 (* 256 (div ~mode1 256))) .cse1 (= ~mode2 (* 256 (div ~mode2 256))) .cse2 .cse3 .cse4 (= ~mode4 (* 256 (div ~mode4 256))) .cse5) (and (<= 1 ~mode4) .cse1 .cse3 .cse4 .cse0 (<= 1 ~mode1) (<= ~mode1 1) (not (= ~p4_old ~nomsg)) .cse2 (<= ~mode4 1) (exists ((v_prenex_1 Int)) (let ((.cse6 (mod v_prenex_1 256))) (and (= .cse6 ~p5_old) (<= .cse6 127) (<= v_prenex_1 127) (<= 0 v_prenex_1)))) .cse5))) [2018-10-02 12:16:26,337 INFO L421 ceAbstractionStarter]: At program point L342(lines 334 343) the Hoare annotation is: (and (= ~mode5 (* 256 (div ~mode5 256))) (<= 0 ~send5) (<= 1 ~mode1) (<= 0 ~send4) (<= ~mode1 1) (<= ~send4 127) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256))) (<= ~send5 127)) [2018-10-02 12:16:26,337 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 81 444) no Hoare annotation was computed. [2018-10-02 12:16:26,338 INFO L421 ceAbstractionStarter]: At program point L347(lines 347 357) the Hoare annotation is: (and (= ~mode5 (* 256 (div ~mode5 256))) (<= 0 ~send5) (<= 1 ~mode1) (<= 0 ~send4) (<= ~mode1 1) (<= ~send4 127) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256))) (<= ~send5 127)) [2018-10-02 12:16:26,338 INFO L421 ceAbstractionStarter]: At program point L438(lines 438 442) the Hoare annotation is: false [2018-10-02 12:16:26,338 INFO L421 ceAbstractionStarter]: At program point L364(lines 356 365) the Hoare annotation is: (and (= ~mode5 (* 256 (div ~mode5 256))) (<= 1 ~mode4) (not (= ~p4_new ~nomsg)) (<= 0 ~send5) (<= 1 ~mode1) (<= 0 ~send4) (<= ~mode1 1) (<= ~send4 127) (<= ~mode4 1) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (<= ~send5 127)) [2018-10-02 12:16:26,338 INFO L421 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) (<= 0 ~send4) (<= ~mode1 1) (= ~mode2 (* 256 (div ~mode2 256))) (<= ~send4 127) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256))) (<= ~send5 127)) [2018-10-02 12:16:26,339 INFO L421 ceAbstractionStarter]: At program point L422(lines 417 423) the Hoare annotation is: (and (<= 1 ~mode4) (<= 0 ~send4) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (not (= ~p4_old ~nomsg)) (<= 0 ~send5) (<= 1 ~mode1) (<= ~mode1 1) (<= 1 ULTIMATE.start_check_~tmp~108) (<= ~send4 127) (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)))) (<= ~mode4 1) (<= ~send5 127)) [2018-10-02 12:16:26,339 INFO L421 ceAbstractionStarter]: At program point L402(lines 402 408) the Hoare annotation is: (and (<= 1 ~mode4) (<= 0 ~send5) (<= 1 ~mode1) (<= 0 ~send4) (<= ~mode1 1) (<= ~send4 127) (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)))) (<= ~mode4 1) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (not (= ~p4_old ~nomsg)) (<= ~send5 127)) [2018-10-02 12:16:26,339 INFO L421 ceAbstractionStarter]: At program point L369(lines 369 379) the Hoare annotation is: (and (= ~mode5 (* 256 (div ~mode5 256))) (<= 1 ~mode4) (not (= ~p4_new ~nomsg)) (<= 0 ~send5) (<= 1 ~mode1) (<= 0 ~send4) (<= ~mode1 1) (<= ~send4 127) (<= ~mode4 1) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (<= ~send5 127)) [2018-10-02 12:16:26,339 INFO L421 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) (<= 0 ~send4) (<= ~mode1 1) (= ~mode2 (* 256 (div ~mode2 256))) (<= ~send4 127) (= 0 (+ ~nomsg 1)) (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256))) (<= ~send5 127)) [2018-10-02 12:16:26,339 INFO L421 ceAbstractionStarter]: At program point L386(lines 378 387) the Hoare annotation is: (and (<= 1 ~mode4) (<= 1 ~mode1) (not (= ~p4_new ~nomsg)) (<= 0 ~send5) (<= 0 ~send4) (<= ~mode1 1) (<= ~send4 127) (<= ~mode4 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)) [2018-10-02 12:16:26,353 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,354 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,354 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,354 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,357 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,358 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,358 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,358 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,360 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,360 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,360 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,361 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,362 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,363 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,363 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,363 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,368 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,369 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,369 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,369 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,371 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,371 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,372 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,372 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,374 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,374 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,374 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,375 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,377 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,377 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,378 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,378 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,380 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,381 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,381 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,381 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,383 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,383 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,383 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,383 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,386 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,386 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,386 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,386 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,388 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,388 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,389 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,389 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,390 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,390 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,391 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,391 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,392 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,393 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,393 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,393 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,396 INFO L202 PluginConnector]: Adding new model pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 12:16:26 BoogieIcfgContainer [2018-10-02 12:16:26,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-02 12:16:26,398 INFO L168 Benchmark]: Toolchain (without parser) took 18786.08 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 155.7 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -51.7 MB). Peak memory consumption was 609.2 MB. Max. memory is 7.1 GB. [2018-10-02 12:16:26,399 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.28 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:16:26,400 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:16:26,401 INFO L168 Benchmark]: Boogie Preprocessor took 43.06 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:16:26,401 INFO L168 Benchmark]: RCFGBuilder took 802.50 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-02 12:16:26,403 INFO L168 Benchmark]: TraceAbstraction took 17871.62 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 155.7 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -83.4 MB). Peak memory consumption was 577.5 MB. Max. memory is 7.1 GB. [2018-10-02 12:16:26,408 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 0.28 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 62.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.06 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 802.50 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17871.62 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 155.7 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -83.4 MB). Peak memory consumption was 577.5 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) && 0 <= ~send4) && ~mode1 <= 1) && ~mode2 == 256 * (~mode2 / 256)) && ~send4 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && ~send5 <= 127 - InvariantResult [Line: 272]: Loop Invariant [2018-10-02 12:16:26,428 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,429 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,429 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,429 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,431 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,431 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,431 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,431 WARN L390 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)) && 0 <= ~send5) && ~mode1 == 256 * (~mode1 / 256)) && 0 <= ~send4) && ~mode2 == 256 * (~mode2 / 256)) && ~send4 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && ~send5 <= 127) || (((((((((((1 <= ~mode4 && 0 <= ~send4) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send5) && 1 <= ~mode1) && ~mode1 <= 1) && !(~p4_old == ~nomsg)) && ~send4 <= 127) && ~mode4 <= 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)) && ~send5 <= 127) - InvariantResult [Line: 378]: Loop Invariant [2018-10-02 12:16:26,436 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,436 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,436 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,436 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,437 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,437 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,440 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,441 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: ((((((((((1 <= ~mode4 && 1 <= ~mode1) && !(~p4_new == ~nomsg)) && 0 <= ~send5) && 0 <= ~send4) && ~mode1 <= 1) && ~send4 <= 127) && ~mode4 <= 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) && 1 <= ~mode4) && !(~p4_new == ~nomsg)) && 0 <= ~send5) && 1 <= ~mode1) && 0 <= ~send4) && ~mode1 <= 1) && ~send4 <= 127) && ~mode4 <= 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) && 0 <= ~send4) && ~mode1 <= 1) && ~send4 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 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) && 0 <= ~send4) && ~mode1 <= 1) && ~send4 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && ~send5 <= 127 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: ((((((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && 0 <= ~send5) && 1 <= ~mode1) && 0 <= ~send4) && ~mode1 <= 1) && ~mode2 == 256 * (~mode2 / 256)) && ~send4 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && ~send5 <= 127 - InvariantResult [Line: 402]: Loop Invariant [2018-10-02 12:16:26,445 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,445 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,445 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,445 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,450 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,450 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,451 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,451 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: ((((((((((1 <= ~mode4 && 0 <= ~send5) && 1 <= ~mode1) && 0 <= ~send4) && ~mode1 <= 1) && ~send4 <= 127) && (exists v_prenex_1 : int :: ((v_prenex_1 % 256 == ~p5_old && v_prenex_1 % 256 <= 127) && v_prenex_1 <= 127) && 0 <= v_prenex_1)) && ~mode4 <= 1) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && !(~p4_old == ~nomsg)) && ~send5 <= 127 - InvariantResult [Line: 279]: Loop Invariant [2018-10-02 12:16:26,452 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,452 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,452 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,452 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,454 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,456 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,457 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,457 WARN L390 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)) && 0 <= ~send5) && ~mode1 == 256 * (~mode1 / 256)) && 0 <= ~send4) && ~mode2 == 256 * (~mode2 / 256)) && ~send4 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && ~send5 <= 127) || (((((((((((1 <= ~mode4 && 0 <= ~send4) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send5) && 1 <= ~mode1) && ~mode1 <= 1) && !(~p4_old == ~nomsg)) && ~send4 <= 127) && ~mode4 <= 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)) && ~send5 <= 127) - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: ((((((((((~mode5 == 256 * (~mode5 / 256) && 1 <= ~mode4) && !(~p4_new == ~nomsg)) && 0 <= ~send5) && 1 <= ~mode1) && 0 <= ~send4) && ~mode1 <= 1) && ~send4 <= 127) && ~mode4 <= 1) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~send5 <= 127 - InvariantResult [Line: 417]: Loop Invariant [2018-10-02 12:16:26,458 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,458 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,459 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,459 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,463 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,463 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,463 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,463 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: (((((((((((1 <= ~mode4 && 0 <= ~send4) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && !(~p4_old == ~nomsg)) && 0 <= ~send5) && 1 <= ~mode1) && ~mode1 <= 1) && 1 <= check_~tmp~108) && ~send4 <= 127) && (exists v_prenex_1 : int :: ((v_prenex_1 % 256 == ~p5_old && v_prenex_1 % 256 <= 127) && v_prenex_1 <= 127) && 0 <= v_prenex_1)) && ~mode4 <= 1) && ~send5 <= 127 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: ((((((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send5) && 1 <= ~mode1) && 0 <= ~send4) && ~mode1 <= 1) && ~send4 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && ~send5 <= 127 - InvariantResult [Line: 407]: Loop Invariant [2018-10-02 12:16:26,466 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,467 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,467 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,467 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,469 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,470 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,470 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,470 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: ((((((((((1 <= ~mode4 && 0 <= ~send5) && 1 <= ~mode1) && 0 <= ~send4) && ~mode1 <= 1) && ~send4 <= 127) && (exists v_prenex_1 : int :: ((v_prenex_1 % 256 == ~p5_old && v_prenex_1 % 256 <= 127) && v_prenex_1 <= 127) && 0 <= v_prenex_1)) && ~mode4 <= 1) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && !(~p4_old == ~nomsg)) && ~send5 <= 127 - InvariantResult [Line: 432]: Loop Invariant [2018-10-02 12:16:26,471 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,471 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,471 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,471 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,472 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,472 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,472 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-02 12:16:26,473 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: ((((((((((((1 <= ~mode4 && assert_~arg == 1) && 0 <= ~send4) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && !(~p4_old == ~nomsg)) && 0 <= ~send5) && 1 <= ~mode1) && ~mode1 <= 1) && 1 <= check_~tmp~108) && ~send4 <= 127) && (exists v_prenex_1 : int :: ((v_prenex_1 % 256 == ~p5_old && v_prenex_1 % 256 <= 127) && v_prenex_1 <= 127) && 0 <= v_prenex_1)) && ~mode4 <= 1) && ~send5 <= 127 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: (((((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && 0 <= ~send5) && 1 <= ~mode1) && 0 <= ~send4) && ~mode1 <= 1) && ~send4 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && ~send5 <= 127 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 1 error locations. SAFE Result, 17.7s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 8.9s AutomataDifference, 0.0s DeadEndRemovalTime, 4.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 329 SDtfs, 304 SDslu, 256 SDs, 0 SdLazy, 185 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0s 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: 1.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 690 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 16 PreInvPairs, 33 NumberOfFragments, 954 HoareAnnotationTreeSize, 16 FomulaSimplifications, 446 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 16 FomulaSimplificationsInter, 855 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 457 NumberOfCodeBlocks, 457 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 446 ConstructedInterpolants, 7 QuantifiedInterpolants, 148501 SizeOfPredicates, 4 NumberOfNonLiveVariables, 491 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 633/645 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.5.1.ufo.UNBOUNDED.pals.c_19.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-10-02_12-16-26-479.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-02_12-16-26-479.csv Received shutdown request...