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.4.1.ufo.UNBOUNDED.pals.c_16.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f-m [2018-10-04 14:31:44,215 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 14:31:44,218 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 14:31:44,236 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 14:31:44,237 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 14:31:44,238 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 14:31:44,239 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 14:31:44,241 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 14:31:44,243 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 14:31:44,243 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 14:31:44,244 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 14:31:44,245 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 14:31:44,245 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 14:31:44,246 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 14:31:44,248 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 14:31:44,248 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 14:31:44,249 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 14:31:44,251 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 14:31:44,253 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 14:31:44,255 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 14:31:44,256 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 14:31:44,257 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 14:31:44,259 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 14:31:44,260 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 14:31:44,260 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 14:31:44,261 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 14:31:44,262 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 14:31:44,262 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 14:31:44,263 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 14:31:44,264 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 14:31:44,265 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 14:31:44,265 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 14:31:44,266 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 14:31:44,266 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 14:31:44,267 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 14:31:44,268 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 14:31:44,268 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 [2018-10-04 14:31:44,291 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 14:31:44,292 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 14:31:44,292 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 14:31:44,293 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 14:31:44,297 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 14:31:44,297 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 14:31:44,297 INFO L133 SettingsManager]: * Use SBE=true [2018-10-04 14:31:44,298 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 14:31:44,298 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 14:31:44,298 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 14:31:44,298 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 14:31:44,298 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 14:31:44,299 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 14:31:44,300 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 14:31:44,300 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 14:31:44,300 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 14:31:44,301 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 14:31:44,301 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 14:31:44,301 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 14:31:44,301 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-04 14:31:44,301 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 14:31:44,301 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-04 14:31:44,303 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-04 14:31:44,303 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 14:31:44,303 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 14:31:44,304 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 14:31:44,304 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-04 14:31:44,304 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 14:31:44,304 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 14:31:44,304 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 14:31:44,304 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 14:31:44,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 14:31:44,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 14:31:44,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 14:31:44,372 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 14:31:44,373 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 14:31:44,373 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl [2018-10-04 14:31:44,374 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl' [2018-10-04 14:31:44,473 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 14:31:44,475 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 14:31:44,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 14:31:44,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 14:31:44,477 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 14:31:44,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:31:44" (1/1) ... [2018-10-04 14:31:44,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:31:44" (1/1) ... [2018-10-04 14:31:44,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 14:31:44,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 14:31:44,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 14:31:44,527 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 14:31:44,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:31:44" (1/1) ... [2018-10-04 14:31:44,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:31:44" (1/1) ... [2018-10-04 14:31:44,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:31:44" (1/1) ... [2018-10-04 14:31:44,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:31:44" (1/1) ... [2018-10-04 14:31:44,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:31:44" (1/1) ... [2018-10-04 14:31:44,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:31:44" (1/1) ... [2018-10-04 14:31:44,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:31:44" (1/1) ... [2018-10-04 14:31:44,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 14:31:44,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 14:31:44,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 14:31:44,587 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 14:31:44,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:31:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-04 14:31:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 14:31:44,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 14:31:45,210 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 14:31:45,211 INFO L202 PluginConnector]: Adding new model pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:31:45 BoogieIcfgContainer [2018-10-04 14:31:45,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 14:31:45,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-04 14:31:45,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-04 14:31:45,215 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-04 14:31:45,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:31:44" (1/2) ... [2018-10-04 14:31:45,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78966abd and model type pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 02:31:45, skipping insertion in model container [2018-10-04 14:31:45,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:31:45" (2/2) ... [2018-10-04 14:31:45,219 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl [2018-10-04 14:31:45,228 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-04 14:31:45,237 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-04 14:31:45,284 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-04 14:31:45,285 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-04 14:31:45,286 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-04 14:31:45,286 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-04 14:31:45,286 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-04 14:31:45,286 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-04 14:31:45,286 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-04 14:31:45,286 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-04 14:31:45,287 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-04 14:31:45,302 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-10-04 14:31:45,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 14:31:45,309 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:31:45,310 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 14:31:45,311 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:31:45,318 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:31:45,318 INFO L82 PathProgramCache]: Analyzing trace with hash 679324735, now seen corresponding path program 1 times [2018-10-04 14:31:45,320 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:31:45,321 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:31:45,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:31:45,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:31:45,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:31:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:31:45,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:31:45,552 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:31:45,552 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 14:31:45,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 14:31:45,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 14:31:45,568 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:31:45,570 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 3 states. [2018-10-04 14:31:45,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:31:45,631 INFO L93 Difference]: Finished difference Result 48 states and 68 transitions. [2018-10-04 14:31:45,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 14:31:45,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-10-04 14:31:45,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:31:45,646 INFO L225 Difference]: With dead ends: 48 [2018-10-04 14:31:45,646 INFO L226 Difference]: Without dead ends: 31 [2018-10-04 14:31:45,650 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 1 [2018-10-04 14:31:45,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-10-04 14:31:45,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2018-10-04 14:31:45,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-10-04 14:31:45,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 41 transitions. [2018-10-04 14:31:45,690 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 41 transitions. Word has length 15 [2018-10-04 14:31:45,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:31:45,691 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 41 transitions. [2018-10-04 14:31:45,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 14:31:45,691 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2018-10-04 14:31:45,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 14:31:45,692 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:31:45,692 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 14:31:45,692 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:31:45,692 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:31:45,692 INFO L82 PathProgramCache]: Analyzing trace with hash 92518721, now seen corresponding path program 1 times [2018-10-04 14:31:45,693 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:31:45,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:31:45,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:31:45,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:31:45,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:31:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:31:45,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:31:45,818 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:31:45,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 14:31:45,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 14:31:45,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 14:31:45,821 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:31:45,821 INFO L87 Difference]: Start difference. First operand 29 states and 41 transitions. Second operand 3 states. [2018-10-04 14:31:45,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:31:45,871 INFO L93 Difference]: Finished difference Result 85 states and 121 transitions. [2018-10-04 14:31:45,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 14:31:45,871 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-10-04 14:31:45,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:31:45,873 INFO L225 Difference]: With dead ends: 85 [2018-10-04 14:31:45,873 INFO L226 Difference]: Without dead ends: 57 [2018-10-04 14:31:45,874 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 1 [2018-10-04 14:31:45,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-10-04 14:31:45,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 55. [2018-10-04 14:31:45,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-10-04 14:31:45,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2018-10-04 14:31:45,892 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 15 [2018-10-04 14:31:45,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:31:45,892 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2018-10-04 14:31:45,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 14:31:45,893 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2018-10-04 14:31:45,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 14:31:45,893 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:31:45,894 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 14:31:45,894 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:31:45,894 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:31:45,894 INFO L82 PathProgramCache]: Analyzing trace with hash 772577091, now seen corresponding path program 1 times [2018-10-04 14:31:45,895 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:31:45,895 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:31:45,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:31:45,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:31:45,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:31:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:31:46,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:31:46,068 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:31:46,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 14:31:46,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 14:31:46,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 14:31:46,070 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:31:46,070 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2018-10-04 14:31:46,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:31:46,167 INFO L93 Difference]: Finished difference Result 139 states and 197 transitions. [2018-10-04 14:31:46,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 14:31:46,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-10-04 14:31:46,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:31:46,173 INFO L225 Difference]: With dead ends: 139 [2018-10-04 14:31:46,173 INFO L226 Difference]: Without dead ends: 85 [2018-10-04 14:31:46,176 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 1 [2018-10-04 14:31:46,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-10-04 14:31:46,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 83. [2018-10-04 14:31:46,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-10-04 14:31:46,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 115 transitions. [2018-10-04 14:31:46,218 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 115 transitions. Word has length 15 [2018-10-04 14:31:46,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:31:46,219 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 115 transitions. [2018-10-04 14:31:46,219 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 14:31:46,219 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2018-10-04 14:31:46,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 14:31:46,220 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:31:46,220 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 14:31:46,220 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:31:46,221 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:31:46,226 INFO L82 PathProgramCache]: Analyzing trace with hash 774424133, now seen corresponding path program 1 times [2018-10-04 14:31:46,226 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:31:46,226 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:31:46,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:31:46,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:31:46,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:31:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:31:46,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:31:46,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:31:46,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-04 14:31:46,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-04 14:31:46,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-04 14:31:46,409 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:31:46,409 INFO L87 Difference]: Start difference. First operand 83 states and 115 transitions. Second operand 4 states. [2018-10-04 14:31:46,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:31:46,555 INFO L93 Difference]: Finished difference Result 155 states and 212 transitions. [2018-10-04 14:31:46,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-04 14:31:46,556 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-10-04 14:31:46,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:31:46,558 INFO L225 Difference]: With dead ends: 155 [2018-10-04 14:31:46,558 INFO L226 Difference]: Without dead ends: 153 [2018-10-04 14:31:46,559 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time 0.0s impTime 3 [2018-10-04 14:31:46,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-10-04 14:31:46,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 91. [2018-10-04 14:31:46,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-10-04 14:31:46,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 121 transitions. [2018-10-04 14:31:46,586 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 121 transitions. Word has length 15 [2018-10-04 14:31:46,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:31:46,587 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 121 transitions. [2018-10-04 14:31:46,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-04 14:31:46,587 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 121 transitions. [2018-10-04 14:31:46,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 14:31:46,588 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:31:46,588 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 14:31:46,589 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:31:46,589 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:31:46,589 INFO L82 PathProgramCache]: Analyzing trace with hash 263176883, now seen corresponding path program 1 times [2018-10-04 14:31:46,589 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:31:46,590 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:31:46,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:31:46,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:31:46,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:31:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:31:46,667 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:31:46,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:31:46,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 14:31:46,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 14:31:46,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 14:31:46,671 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:31:46,671 INFO L87 Difference]: Start difference. First operand 91 states and 121 transitions. Second operand 3 states. [2018-10-04 14:31:46,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:31:46,784 INFO L93 Difference]: Finished difference Result 267 states and 357 transitions. [2018-10-04 14:31:46,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 14:31:46,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-10-04 14:31:46,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:31:46,793 INFO L225 Difference]: With dead ends: 267 [2018-10-04 14:31:46,793 INFO L226 Difference]: Without dead ends: 179 [2018-10-04 14:31:46,794 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 1 [2018-10-04 14:31:46,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-10-04 14:31:46,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 177. [2018-10-04 14:31:46,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-10-04 14:31:46,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 232 transitions. [2018-10-04 14:31:46,854 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 232 transitions. Word has length 28 [2018-10-04 14:31:46,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:31:46,858 INFO L480 AbstractCegarLoop]: Abstraction has 177 states and 232 transitions. [2018-10-04 14:31:46,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 14:31:46,859 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 232 transitions. [2018-10-04 14:31:46,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 14:31:46,861 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:31:46,861 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 14:31:46,862 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:31:46,862 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:31:46,862 INFO L82 PathProgramCache]: Analyzing trace with hash -437887695, now seen corresponding path program 1 times [2018-10-04 14:31:46,862 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:31:46,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:31:46,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:31:46,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:31:46,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:31:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:31:46,964 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:31:46,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:31:46,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 14:31:46,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 14:31:46,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 14:31:46,967 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:31:46,967 INFO L87 Difference]: Start difference. First operand 177 states and 232 transitions. Second operand 3 states. [2018-10-04 14:31:47,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:31:47,067 INFO L93 Difference]: Finished difference Result 525 states and 690 transitions. [2018-10-04 14:31:47,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 14:31:47,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 28 [2018-10-04 14:31:47,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:31:47,072 INFO L225 Difference]: With dead ends: 525 [2018-10-04 14:31:47,072 INFO L226 Difference]: Without dead ends: 351 [2018-10-04 14:31:47,075 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 1 [2018-10-04 14:31:47,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2018-10-04 14:31:47,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 349. [2018-10-04 14:31:47,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-10-04 14:31:47,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 448 transitions. [2018-10-04 14:31:47,157 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 448 transitions. Word has length 28 [2018-10-04 14:31:47,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:31:47,158 INFO L480 AbstractCegarLoop]: Abstraction has 349 states and 448 transitions. [2018-10-04 14:31:47,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 14:31:47,158 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 448 transitions. [2018-10-04 14:31:47,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 14:31:47,164 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:31:47,164 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 14:31:47,164 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:31:47,165 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:31:47,165 INFO L82 PathProgramCache]: Analyzing trace with hash 2082072239, now seen corresponding path program 1 times [2018-10-04 14:31:47,165 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:31:47,165 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:31:47,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:31:47,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:31:47,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:31:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:31:47,545 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:31:47,546 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 14:31:47,547 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-04 14:31:47,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:31:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:31:47,664 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 14:31:48,256 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-04 14:31:48,289 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 14:31:48,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2018-10-04 14:31:48,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-04 14:31:48,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-04 14:31:48,291 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:31:48,291 INFO L87 Difference]: Start difference. First operand 349 states and 448 transitions. Second operand 7 states. [2018-10-04 14:31:50,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:31:50,139 INFO L93 Difference]: Finished difference Result 791 states and 1017 transitions. [2018-10-04 14:31:50,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-04 14:31:50,139 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-10-04 14:31:50,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:31:50,141 INFO L225 Difference]: With dead ends: 791 [2018-10-04 14:31:50,142 INFO L226 Difference]: Without dead ends: 287 [2018-10-04 14:31:50,143 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s Time 0.5s impTime 16 [2018-10-04 14:31:50,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-10-04 14:31:50,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 266. [2018-10-04 14:31:50,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2018-10-04 14:31:50,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 314 transitions. [2018-10-04 14:31:50,196 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 314 transitions. Word has length 28 [2018-10-04 14:31:50,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:31:50,196 INFO L480 AbstractCegarLoop]: Abstraction has 266 states and 314 transitions. [2018-10-04 14:31:50,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-04 14:31:50,197 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 314 transitions. [2018-10-04 14:31:50,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 14:31:50,199 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 14:31:50,199 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2018-10-04 14:31:50,200 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 14:31:50,200 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:31:50,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1799101551, now seen corresponding path program 2 times [2018-10-04 14:31:50,200 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 14:31:50,201 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 14:31:50,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:31:50,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 14:31:50,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 14:31:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:31:50,273 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-04 14:31:50,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 14:31:50,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 14:31:50,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 14:31:50,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 14:31:50,274 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 14:31:50,275 INFO L87 Difference]: Start difference. First operand 266 states and 314 transitions. Second operand 3 states. [2018-10-04 14:31:50,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 14:31:50,287 INFO L93 Difference]: Finished difference Result 266 states and 314 transitions. [2018-10-04 14:31:50,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 14:31:50,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-10-04 14:31:50,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 14:31:50,287 INFO L225 Difference]: With dead ends: 266 [2018-10-04 14:31:50,287 INFO L226 Difference]: Without dead ends: 0 [2018-10-04 14:31:50,289 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 1 [2018-10-04 14:31:50,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-04 14:31:50,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-04 14:31:50,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-04 14:31:50,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-04 14:31:50,290 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2018-10-04 14:31:50,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 14:31:50,291 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-04 14:31:50,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 14:31:50,291 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-04 14:31:50,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-04 14:31:50,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-04 14:31:51,813 WARN L178 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-10-04 14:31:52,047 WARN L178 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2018-10-04 14:31:52,148 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-10-04 14:31:52,578 WARN L178 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-10-04 14:31:52,866 WARN L178 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-10-04 14:31:53,304 WARN L178 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-10-04 14:31:53,633 WARN L178 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2018-10-04 14:31:53,979 WARN L178 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-10-04 14:31:54,138 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-10-04 14:31:54,299 INFO L421 ceAbstractionStarter]: At program point L316(lines 308 317) the Hoare annotation is: (let ((.cse0 (<= 0 ~send1)) (.cse2 (<= 1 ~mode2)) (.cse3 (<= ~mode2 1)) (.cse4 (not (= ~p1_new ~nomsg))) (.cse5 (<= ~send1 127)) (.cse6 (= 0 (+ ~nomsg 1)))) (or (and (not (= ~p1_old ~nomsg)) .cse0 (exists ((v_~r1_9 Int)) (let ((.cse1 (mod v_~r1_9 256))) (and (= (+ .cse1 1) ~r1) (<= .cse1 0)))) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 (<= ~r1 (* 256 (div ~r1 256)))))) [2018-10-04 14:31:54,300 INFO L421 ceAbstractionStarter]: At program point L250(lines 242 251) the Hoare annotation is: (let ((.cse5 (<= ~r1 (* 256 (div ~r1 256)))) (.cse0 (not (= ~p1_old ~nomsg))) (.cse1 (<= 0 ~send1)) (.cse7 (<= 1 ~mode2)) (.cse8 (<= ~mode2 1)) (.cse2 (not (= ~p1_new ~nomsg))) (.cse3 (<= ~send1 127)) (.cse4 (= 0 (+ ~nomsg 1)))) (or (and .cse0 .cse1 (= ULTIMATE.start_assert_~arg 1) (<= 1 ULTIMATE.start_check_~tmp~85) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (exists ((v_~r1_9 Int)) (let ((.cse6 (mod v_~r1_9 256))) (and (= (+ .cse6 1) ~r1) (<= .cse6 0)))) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~mode1 (* 256 (div ~mode1 256))) .cse7 .cse8 .cse3 .cse4) (and .cse1 (= ~mode3 (* 256 (div ~mode3 256))) .cse2 (= ~mode2 (* 256 (div ~mode2 256))) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse8 .cse2 .cse3 .cse4))) [2018-10-04 14:31:54,300 INFO L421 ceAbstractionStarter]: At program point L366(lines 366 370) the Hoare annotation is: false [2018-10-04 14:31:54,300 INFO L421 ceAbstractionStarter]: At program point L255(lines 255 265) the Hoare annotation is: (let ((.cse5 (<= ~r1 (* 256 (div ~r1 256)))) (.cse0 (not (= ~p1_old ~nomsg))) (.cse1 (<= 0 ~send1)) (.cse7 (<= 1 ~mode2)) (.cse8 (<= ~mode2 1)) (.cse2 (not (= ~p1_new ~nomsg))) (.cse3 (<= ~send1 127)) (.cse4 (= 0 (+ ~nomsg 1)))) (or (and .cse0 .cse1 (= ULTIMATE.start_assert_~arg 1) (<= 1 ULTIMATE.start_check_~tmp~85) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (exists ((v_~r1_9 Int)) (let ((.cse6 (mod v_~r1_9 256))) (and (= (+ .cse6 1) ~r1) (<= .cse6 0)))) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~mode1 (* 256 (div ~mode1 256))) .cse7 .cse8 .cse3 .cse4) (and .cse1 (= ~mode3 (* 256 (div ~mode3 256))) .cse2 (= ~mode2 (* 256 (div ~mode2 256))) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse8 .cse2 .cse3 .cse4))) [2018-10-04 14:31:54,300 INFO L421 ceAbstractionStarter]: At program point L350(lines 345 351) the Hoare annotation is: (and (not (= ~p1_old ~nomsg)) (<= 0 ~send1) (<= 1 ~mode2) (<= ~mode2 1) (<= 1 ULTIMATE.start_check_~tmp~85) (<= ~send1 127) (= 0 (+ ~nomsg 1))) [2018-10-04 14:31:54,301 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 66 372) no Hoare annotation was computed. [2018-10-04 14:31:54,301 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 66 372) no Hoare annotation was computed. [2018-10-04 14:31:54,301 INFO L421 ceAbstractionStarter]: At program point L272(lines 264 273) the Hoare annotation is: (let ((.cse7 (not (= ~p1_old ~nomsg))) (.cse0 (<= 0 ~send1)) (.cse1 (<= 1 ~mode2)) (.cse2 (<= ~mode2 1)) (.cse3 (not (= ~p1_new ~nomsg))) (.cse4 (<= ~send1 127)) (.cse5 (= 0 (+ ~nomsg 1))) (.cse6 (<= ~r1 (* 256 (div ~r1 256))))) (or (and .cse0 (= ~mode3 (* 256 (div ~mode3 256))) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 (exists ((v_~r1_9 Int)) (let ((.cse8 (mod v_~r1_9 256))) (and (= (+ .cse8 1) ~r1) (<= .cse8 0)))) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse0 (= ULTIMATE.start_assert_~arg 1) .cse1 .cse2 (<= 1 ULTIMATE.start_check_~tmp~85) .cse3 .cse4 .cse5 .cse6))) [2018-10-04 14:31:54,301 INFO L421 ceAbstractionStarter]: At program point L330(lines 330 336) the Hoare annotation is: (let ((.cse0 (not (= ~p1_old ~nomsg))) (.cse1 (<= 0 ~send1)) (.cse2 (<= 1 ~mode2)) (.cse3 (<= ~mode2 1)) (.cse4 (<= ~send1 127)) (.cse5 (= 0 (+ ~nomsg 1)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= ~r1 (* 256 (div ~r1 256)))) (and .cse0 .cse1 (exists ((v_~r1_9 Int)) (let ((.cse6 (mod v_~r1_9 256))) (and (= (+ .cse6 1) ~r1) (<= .cse6 0)))) .cse2 .cse3 .cse4 .cse5))) [2018-10-04 14:31:54,301 INFO L421 ceAbstractionStarter]: At program point L231(lines 231 243) the Hoare annotation is: (let ((.cse0 (<= 0 ~send1)) (.cse1 (<= ~send1 127)) (.cse2 (= 0 (+ ~nomsg 1)))) (or (and .cse0 (= ~mode3 (* 256 (div ~mode3 256))) (= ~mode1 (* 256 (div ~mode1 256))) (= ~mode2 (* 256 (div ~mode2 256))) .cse1 .cse2 (<= ~r1 (* 256 (div ~r1 256)))) (and (not (= ~p1_old ~nomsg)) .cse0 (<= 1 ~mode2) (<= ~mode2 1) .cse1 .cse2))) [2018-10-04 14:31:54,301 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 66 372) no Hoare annotation was computed. [2018-10-04 14:31:54,302 INFO L421 ceAbstractionStarter]: At program point L277(lines 277 287) the Hoare annotation is: (let ((.cse7 (not (= ~p1_old ~nomsg))) (.cse0 (<= 0 ~send1)) (.cse1 (<= 1 ~mode2)) (.cse2 (<= ~mode2 1)) (.cse3 (not (= ~p1_new ~nomsg))) (.cse4 (<= ~send1 127)) (.cse5 (= 0 (+ ~nomsg 1))) (.cse6 (<= ~r1 (* 256 (div ~r1 256))))) (or (and .cse0 (= ~mode3 (* 256 (div ~mode3 256))) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 (exists ((v_~r1_9 Int)) (let ((.cse8 (mod v_~r1_9 256))) (and (= (+ .cse8 1) ~r1) (<= .cse8 0)))) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse7 .cse0 (= ULTIMATE.start_assert_~arg 1) .cse1 .cse2 (<= 1 ULTIMATE.start_check_~tmp~85) .cse3 .cse4 .cse5 .cse6))) [2018-10-04 14:31:54,302 INFO L421 ceAbstractionStarter]: At program point L339(lines 335 346) the Hoare annotation is: (let ((.cse0 (not (= ~p1_old ~nomsg))) (.cse1 (<= 0 ~send1)) (.cse2 (<= 1 ~mode2)) (.cse3 (<= ~mode2 1)) (.cse4 (<= ~send1 127)) (.cse5 (= 0 (+ ~nomsg 1)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= ~r1 (* 256 (div ~r1 256)))) (and .cse0 .cse1 (exists ((v_~r1_9 Int)) (let ((.cse6 (mod v_~r1_9 256))) (and (= (+ .cse6 1) ~r1) (<= .cse6 0)))) .cse2 .cse3 .cse4 .cse5))) [2018-10-04 14:31:54,302 INFO L421 ceAbstractionStarter]: At program point L360(lines 360 367) the Hoare annotation is: (and (not (= ~p1_old ~nomsg)) (<= 0 ~send1) (= ULTIMATE.start_assert_~arg 1) (<= 1 ~mode2) (<= ~mode2 1) (<= 1 ULTIMATE.start_check_~tmp~85) (<= ~send1 127) (= 0 (+ ~nomsg 1))) [2018-10-04 14:31:54,302 INFO L421 ceAbstractionStarter]: At program point L294(lines 286 295) the Hoare annotation is: (let ((.cse0 (<= 0 ~send1)) (.cse2 (<= 1 ~mode2)) (.cse3 (<= ~mode2 1)) (.cse4 (not (= ~p1_new ~nomsg))) (.cse5 (<= ~send1 127)) (.cse6 (= 0 (+ ~nomsg 1)))) (or (and (not (= ~p1_old ~nomsg)) .cse0 (exists ((v_~r1_9 Int)) (let ((.cse1 (mod v_~r1_9 256))) (and (= (+ .cse1 1) ~r1) (<= .cse1 0)))) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 (<= ~r1 (* 256 (div ~r1 256)))))) [2018-10-04 14:31:54,302 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 371) no Hoare annotation was computed. [2018-10-04 14:31:54,303 INFO L421 ceAbstractionStarter]: At program point L369(lines 224 369) the Hoare annotation is: (let ((.cse0 (<= 0 ~send1)) (.cse1 (<= ~send1 127)) (.cse2 (= 0 (+ ~nomsg 1)))) (or (and .cse0 (= ~mode3 (* 256 (div ~mode3 256))) (= ~mode1 (* 256 (div ~mode1 256))) (= ~mode2 (* 256 (div ~mode2 256))) .cse1 .cse2 (<= ~r1 (* 256 (div ~r1 256)))) (and (not (= ~p1_old ~nomsg)) .cse0 (<= 1 ~mode2) (<= ~mode2 1) .cse1 .cse2))) [2018-10-04 14:31:54,303 INFO L421 ceAbstractionStarter]: At program point L299(lines 299 309) the Hoare annotation is: (let ((.cse0 (<= 0 ~send1)) (.cse2 (<= 1 ~mode2)) (.cse3 (<= ~mode2 1)) (.cse4 (not (= ~p1_new ~nomsg))) (.cse5 (<= ~send1 127)) (.cse6 (= 0 (+ ~nomsg 1)))) (or (and (not (= ~p1_old ~nomsg)) .cse0 (exists ((v_~r1_9 Int)) (let ((.cse1 (mod v_~r1_9 256))) (and (= (+ .cse1 1) ~r1) (<= .cse1 0)))) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 (<= ~r1 (* 256 (div ~r1 256)))))) [2018-10-04 14:31:54,311 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,312 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,319 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,319 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,323 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,323 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,325 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,325 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,327 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,327 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,328 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,329 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,331 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,331 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,332 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,333 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,335 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,335 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,337 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,337 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,339 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,339 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,341 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,341 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,343 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,343 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,344 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,344 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,345 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,345 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,347 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,347 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,348 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,349 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,350 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,350 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,353 INFO L202 PluginConnector]: Adding new model pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.10 02:31:54 BoogieIcfgContainer [2018-10-04 14:31:54,353 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-04 14:31:54,354 INFO L168 Benchmark]: Toolchain (without parser) took 9880.10 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 19.4 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 1.2 MB). Peak memory consumption was 489.5 MB. Max. memory is 7.1 GB. [2018-10-04 14:31:54,356 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.28 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 14:31:54,357 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 14:31:54,357 INFO L168 Benchmark]: Boogie Preprocessor took 59.54 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 14:31:54,358 INFO L168 Benchmark]: RCFGBuilder took 624.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-04 14:31:54,359 INFO L168 Benchmark]: TraceAbstraction took 9141.15 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 19.4 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -30.5 MB). Peak memory consumption was 457.8 MB. Max. memory is 7.1 GB. [2018-10-04 14:31:54,365 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 50.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.54 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 624.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9141.15 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 19.4 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -30.5 MB). Peak memory consumption was 457.8 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_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 371]: 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: 242]: Loop Invariant [2018-10-04 14:31:54,376 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,376 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,378 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,378 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: ((((((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && assert_~arg == 1) && 1 <= check_~tmp~85) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || (((((!(~p1_old == ~nomsg) && 0 <= ~send1) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1)) || ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && ~mode1 == 256 * (~mode1 / 256)) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && 0 == ~nomsg + 1)) || ((((((0 <= ~send1 && ~mode3 == 256 * (~mode3 / 256)) && !(~p1_new == ~nomsg)) && ~mode2 == 256 * (~mode2 / 256)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256))) || ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 264]: Loop Invariant [2018-10-04 14:31:54,380 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,380 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,381 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,381 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: ((((((((0 <= ~send1 && ~mode3 == 256 * (~mode3 / 256)) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || (((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1)) || (((((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && assert_~arg == 1) && 1 <= ~mode2) && ~mode2 <= 1) && 1 <= check_~tmp~85) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) - InvariantResult [Line: 286]: Loop Invariant [2018-10-04 14:31:54,382 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,382 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,383 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,383 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: (((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) || ((((((0 <= ~send1 && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: ((((((0 <= ~send1 && ~mode3 == 256 * (~mode3 / 256)) && ~mode1 == 256 * (~mode1 / 256)) && ~mode2 == 256 * (~mode2 / 256)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || (((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && 0 == ~nomsg + 1) - InvariantResult [Line: 330]: Loop Invariant [2018-10-04 14:31:54,385 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,385 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,386 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,386 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && 0 == ~nomsg + 1) - InvariantResult [Line: 255]: Loop Invariant [2018-10-04 14:31:54,387 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,387 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,388 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,389 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: ((((((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && assert_~arg == 1) && 1 <= check_~tmp~85) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || (((((!(~p1_old == ~nomsg) && 0 <= ~send1) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1)) || ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && ~mode1 == 256 * (~mode1 / 256)) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && 0 == ~nomsg + 1)) || ((((((0 <= ~send1 && ~mode3 == 256 * (~mode3 / 256)) && !(~p1_new == ~nomsg)) && ~mode2 == 256 * (~mode2 / 256)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256))) || ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) - InvariantResult [Line: 277]: Loop Invariant [2018-10-04 14:31:54,390 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,390 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,391 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,391 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: ((((((((0 <= ~send1 && ~mode3 == 256 * (~mode3 / 256)) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || (((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1)) || (((((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && assert_~arg == 1) && 1 <= ~mode2) && ~mode2 <= 1) && 1 <= check_~tmp~85) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: (((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && 1 <= check_~tmp~85) && ~send1 <= 127) && 0 == ~nomsg + 1 - InvariantResult [Line: 335]: Loop Invariant [2018-10-04 14:31:54,393 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,393 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,394 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,394 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && 0 == ~nomsg + 1) - InvariantResult [Line: 299]: Loop Invariant [2018-10-04 14:31:54,395 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,395 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,396 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,396 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: (((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) || ((((((0 <= ~send1 && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && assert_~arg == 1) && 1 <= ~mode2) && ~mode2 <= 1) && 1 <= check_~tmp~85) && ~send1 <= 127) && 0 == ~nomsg + 1 - InvariantResult [Line: 308]: Loop Invariant [2018-10-04 14:31:54,397 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,398 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,398 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-04 14:31:54,399 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: (((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) || ((((((0 <= ~send1 && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: ((((((0 <= ~send1 && ~mode3 == 256 * (~mode3 / 256)) && ~mode1 == 256 * (~mode1 / 256)) && ~mode2 == 256 * (~mode2 / 256)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || (((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && 0 == ~nomsg + 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. SAFE Result, 9.0s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 4.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 209 SDtfs, 199 SDslu, 164 SDs, 0 SdLazy, 212 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=349occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 93 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 14 PreInvPairs, 176 NumberOfFragments, 1074 HoareAnnotationTreeSize, 14 FomulaSimplifications, 7061 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 14 FomulaSimplificationsInter, 75 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 226 NumberOfCodeBlocks, 226 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 217 ConstructedInterpolants, 8 QuantifiedInterpolants, 19798 SizeOfPredicates, 1 NumberOfNonLiveVariables, 251 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 118/130 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.4.1.ufo.UNBOUNDED.pals.c_16.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-10-04_14-31-54-405.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr.4.1.ufo.UNBOUNDED.pals.c_16.bpl_svcomp-Reach-32bit-Automizer_Default_PUPT.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-04_14-31-54-405.csv Received shutdown request...