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 0.1.23-9f4048f [2018-10-04 12:52:48,820 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 12:52:48,822 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 12:52:48,839 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 12:52:48,839 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 12:52:48,840 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 12:52:48,842 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 12:52:48,844 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 12:52:48,846 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 12:52:48,847 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 12:52:48,848 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 12:52:48,848 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 12:52:48,849 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 12:52:48,850 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 12:52:48,851 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 12:52:48,852 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 12:52:48,853 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 12:52:48,855 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 12:52:48,857 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 12:52:48,858 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 12:52:48,860 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 12:52:48,861 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 12:52:48,863 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-04 12:52:48,872 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 12:52:48,887 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 12:52:48,887 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 12:52:48,888 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 12:52:48,888 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 12:52:48,889 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 12:52:48,889 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 12:52:48,889 INFO L133 SettingsManager]: * Use SBE=true [2018-10-04 12:52:48,890 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 12:52:48,890 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 12:52:48,890 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 12:52:48,890 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 12:52:48,890 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 12:52:48,891 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 12:52:48,891 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 12:52:48,891 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 12:52:48,891 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 12:52:48,891 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 12:52:48,892 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 12:52:48,892 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 12:52:48,892 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-04 12:52:48,892 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 12:52:48,892 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-04 12:52:48,894 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-04 12:52:48,894 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 12:52:48,894 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 12:52:48,894 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 12:52:48,895 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-04 12:52:48,895 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 12:52:48,895 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 12:52:48,896 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 12:52:48,896 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 12:52:48,957 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 12:52:48,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 12:52:48,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 12:52:48,981 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 12:52:48,981 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 12:52:48,982 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl [2018-10-04 12:52:48,983 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl' [2018-10-04 12:52:49,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 12:52:49,065 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 12:52:49,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 12:52:49,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 12:52:49,066 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 12:52:49,084 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 04.10 12:52:49" (1/1) ... [2018-10-04 12:52:49,101 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 04.10 12:52:49" (1/1) ... [2018-10-04 12:52:49,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 12:52:49,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 12:52:49,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 12:52:49,110 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 12:52:49,121 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 04.10 12:52:49" (1/1) ... [2018-10-04 12:52:49,121 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 04.10 12:52:49" (1/1) ... [2018-10-04 12:52:49,125 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 04.10 12:52:49" (1/1) ... [2018-10-04 12:52:49,125 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 04.10 12:52:49" (1/1) ... [2018-10-04 12:52:49,135 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 04.10 12:52:49" (1/1) ... [2018-10-04 12:52:49,137 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 04.10 12:52:49" (1/1) ... [2018-10-04 12:52:49,140 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 04.10 12:52:49" (1/1) ... [2018-10-04 12:52:49,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 12:52:49,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 12:52:49,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 12:52:49,145 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 12:52:49,145 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 04.10 12:52:49" (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 12:52:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 12:52:49,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 12:52:49,800 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 12:52:49,801 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 04.10 12:52:49 BoogieIcfgContainer [2018-10-04 12:52:49,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 12:52:49,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-04 12:52:49,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-04 12:52:49,805 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-04 12:52:49,805 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 04.10 12:52:49" (1/2) ... [2018-10-04 12:52:49,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a4c2e0 and model type pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 12:52:49, skipping insertion in model container [2018-10-04 12:52:49,808 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 04.10 12:52:49" (2/2) ... [2018-10-04 12:52:49,809 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.5.1.ufo.UNBOUNDED.pals.c_19.bpl [2018-10-04 12:52:49,819 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-04 12:52:49,827 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-04 12:52:49,875 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-04 12:52:49,876 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-04 12:52:49,876 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-04 12:52:49,876 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-04 12:52:49,876 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-04 12:52:49,877 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-04 12:52:49,877 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-04 12:52:49,877 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-04 12:52:49,877 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-04 12:52:49,892 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-10-04 12:52:49,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 12:52:49,899 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:52:49,900 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:52:49,901 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:52:49,907 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:52:49,907 INFO L82 PathProgramCache]: Analyzing trace with hash -61215035, now seen corresponding path program 1 times [2018-10-04 12:52:49,910 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:52:49,910 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:52:49,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:52:49,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:52:49,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:52:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:52:50,159 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 12:52:50,162 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:52:50,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 12:52:50,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:52:50,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:52:50,183 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:52:50,185 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 3 states. [2018-10-04 12:52:50,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:52:50,237 INFO L93 Difference]: Finished difference Result 54 states and 77 transitions. [2018-10-04 12:52:50,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:52:50,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-10-04 12:52:50,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:52:50,258 INFO L225 Difference]: With dead ends: 54 [2018-10-04 12:52:50,258 INFO L226 Difference]: Without dead ends: 35 [2018-10-04 12:52:50,262 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 12:52:50,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-10-04 12:52:50,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2018-10-04 12:52:50,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-10-04 12:52:50,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 47 transitions. [2018-10-04 12:52:50,299 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 47 transitions. Word has length 17 [2018-10-04 12:52:50,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:52:50,300 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 47 transitions. [2018-10-04 12:52:50,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:52:50,300 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2018-10-04 12:52:50,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 12:52:50,301 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:52:50,301 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:52:50,302 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:52:50,302 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:52:50,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1341078713, now seen corresponding path program 1 times [2018-10-04 12:52:50,302 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:52:50,303 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:52:50,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:52:50,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:52:50,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:52:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:52:50,390 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 12:52:50,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:52:50,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 12:52:50,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:52:50,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:52:50,393 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:52:50,394 INFO L87 Difference]: Start difference. First operand 33 states and 47 transitions. Second operand 3 states. [2018-10-04 12:52:50,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:52:50,437 INFO L93 Difference]: Finished difference Result 97 states and 139 transitions. [2018-10-04 12:52:50,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:52:50,438 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-10-04 12:52:50,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:52:50,439 INFO L225 Difference]: With dead ends: 97 [2018-10-04 12:52:50,440 INFO L226 Difference]: Without dead ends: 65 [2018-10-04 12:52:50,441 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 12:52:50,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-10-04 12:52:50,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2018-10-04 12:52:50,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-10-04 12:52:50,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 90 transitions. [2018-10-04 12:52:50,459 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 90 transitions. Word has length 17 [2018-10-04 12:52:50,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:52:50,460 INFO L480 AbstractCegarLoop]: Abstraction has 63 states and 90 transitions. [2018-10-04 12:52:50,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:52:50,460 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2018-10-04 12:52:50,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 12:52:50,461 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:52:50,461 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:52:50,461 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:52:50,462 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:52:50,462 INFO L82 PathProgramCache]: Analyzing trace with hash -754272699, now seen corresponding path program 1 times [2018-10-04 12:52:50,462 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:52:50,462 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:52:50,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:52:50,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:52:50,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:52:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:52:50,587 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 12:52:50,587 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:52:50,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 12:52:50,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:52:50,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:52:50,589 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:52:50,589 INFO L87 Difference]: Start difference. First operand 63 states and 90 transitions. Second operand 3 states. [2018-10-04 12:52:50,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:52:50,656 INFO L93 Difference]: Finished difference Result 187 states and 268 transitions. [2018-10-04 12:52:50,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:52:50,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-10-04 12:52:50,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:52:50,660 INFO L225 Difference]: With dead ends: 187 [2018-10-04 12:52:50,660 INFO L226 Difference]: Without dead ends: 125 [2018-10-04 12:52:50,661 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 12:52:50,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-10-04 12:52:50,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2018-10-04 12:52:50,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-10-04 12:52:50,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 174 transitions. [2018-10-04 12:52:50,720 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 174 transitions. Word has length 17 [2018-10-04 12:52:50,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:52:50,721 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 174 transitions. [2018-10-04 12:52:50,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:52:50,721 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 174 transitions. [2018-10-04 12:52:50,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 12:52:50,722 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:52:50,722 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:52:50,722 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:52:50,726 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:52:50,726 INFO L82 PathProgramCache]: Analyzing trace with hash -53208121, now seen corresponding path program 1 times [2018-10-04 12:52:50,726 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:52:50,726 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:52:50,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:52:50,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:52:50,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:52:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:52:50,825 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 12:52:50,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:52:50,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 12:52:50,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:52:50,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:52:50,826 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:52:50,826 INFO L87 Difference]: Start difference. First operand 123 states and 174 transitions. Second operand 3 states. [2018-10-04 12:52:50,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:52:50,911 INFO L93 Difference]: Finished difference Result 367 states and 520 transitions. [2018-10-04 12:52:50,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:52:50,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-10-04 12:52:50,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:52:50,920 INFO L225 Difference]: With dead ends: 367 [2018-10-04 12:52:50,920 INFO L226 Difference]: Without dead ends: 245 [2018-10-04 12:52:50,921 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 12:52:50,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-10-04 12:52:50,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 243. [2018-10-04 12:52:51,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-10-04 12:52:51,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 338 transitions. [2018-10-04 12:52:51,007 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 338 transitions. Word has length 17 [2018-10-04 12:52:51,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:52:51,007 INFO L480 AbstractCegarLoop]: Abstraction has 243 states and 338 transitions. [2018-10-04 12:52:51,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:52:51,007 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 338 transitions. [2018-10-04 12:52:51,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 12:52:51,009 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:52:51,009 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:52:51,011 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:52:51,011 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:52:51,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1721799241, now seen corresponding path program 1 times [2018-10-04 12:52:51,012 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:52:51,012 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:52:51,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:52:51,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:52:51,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:52:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:52:51,168 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 12:52:51,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:52:51,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-04 12:52:51,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-04 12:52:51,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-04 12:52:51,170 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:52:51,171 INFO L87 Difference]: Start difference. First operand 243 states and 338 transitions. Second operand 4 states. [2018-10-04 12:52:51,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:52:51,394 INFO L93 Difference]: Finished difference Result 517 states and 707 transitions. [2018-10-04 12:52:51,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-04 12:52:51,395 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-10-04 12:52:51,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:52:51,399 INFO L225 Difference]: With dead ends: 517 [2018-10-04 12:52:51,399 INFO L226 Difference]: Without dead ends: 515 [2018-10-04 12:52:51,400 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 12:52:51,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2018-10-04 12:52:51,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 275. [2018-10-04 12:52:51,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-10-04 12:52:51,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 370 transitions. [2018-10-04 12:52:51,455 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 370 transitions. Word has length 17 [2018-10-04 12:52:51,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:52:51,455 INFO L480 AbstractCegarLoop]: Abstraction has 275 states and 370 transitions. [2018-10-04 12:52:51,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-04 12:52:51,456 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 370 transitions. [2018-10-04 12:52:51,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 12:52:51,456 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:52:51,457 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-04 12:52:51,457 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:52:51,457 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:52:51,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1721858823, now seen corresponding path program 1 times [2018-10-04 12:52:51,458 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:52:51,458 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:52:51,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:52:51,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:52:51,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:52:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:52:51,643 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 12:52:51,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:52:51,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 12:52:51,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-04 12:52:51,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-04 12:52:51,644 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:52:51,644 INFO L87 Difference]: Start difference. First operand 275 states and 370 transitions. Second operand 4 states. [2018-10-04 12:52:51,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:52:51,963 INFO L93 Difference]: Finished difference Result 879 states and 1193 transitions. [2018-10-04 12:52:51,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-04 12:52:51,965 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-10-04 12:52:51,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:52:51,969 INFO L225 Difference]: With dead ends: 879 [2018-10-04 12:52:51,969 INFO L226 Difference]: Without dead ends: 605 [2018-10-04 12:52:51,972 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time 0.0s impTime 2 [2018-10-04 12:52:51,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2018-10-04 12:52:52,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 605. [2018-10-04 12:52:52,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2018-10-04 12:52:52,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 776 transitions. [2018-10-04 12:52:52,087 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 776 transitions. Word has length 17 [2018-10-04 12:52:52,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:52:52,088 INFO L480 AbstractCegarLoop]: Abstraction has 605 states and 776 transitions. [2018-10-04 12:52:52,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-04 12:52:52,088 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 776 transitions. [2018-10-04 12:52:52,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 12:52:52,095 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:52:52,095 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] [2018-10-04 12:52:52,095 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:52:52,096 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:52:52,096 INFO L82 PathProgramCache]: Analyzing trace with hash 868944887, now seen corresponding path program 1 times [2018-10-04 12:52:52,096 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:52:52,096 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:52:52,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:52:52,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:52:52,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:52:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:52:52,264 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-04 12:52:52,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:52:52,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 12:52:52,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:52:52,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:52:52,266 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:52:52,266 INFO L87 Difference]: Start difference. First operand 605 states and 776 transitions. Second operand 3 states. [2018-10-04 12:52:52,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:52:52,549 INFO L93 Difference]: Finished difference Result 1809 states and 2322 transitions. [2018-10-04 12:52:52,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:52:52,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-10-04 12:52:52,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:52:52,556 INFO L225 Difference]: With dead ends: 1809 [2018-10-04 12:52:52,556 INFO L226 Difference]: Without dead ends: 1207 [2018-10-04 12:52:52,557 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 12:52:52,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2018-10-04 12:52:52,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1205. [2018-10-04 12:52:52,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1205 states. [2018-10-04 12:52:52,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1508 transitions. [2018-10-04 12:52:52,767 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1508 transitions. Word has length 62 [2018-10-04 12:52:52,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:52:52,767 INFO L480 AbstractCegarLoop]: Abstraction has 1205 states and 1508 transitions. [2018-10-04 12:52:52,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:52:52,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1508 transitions. [2018-10-04 12:52:52,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 12:52:52,773 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:52:52,773 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] [2018-10-04 12:52:52,774 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:52:52,774 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:52:52,774 INFO L82 PathProgramCache]: Analyzing trace with hash 2034253683, now seen corresponding path program 1 times [2018-10-04 12:52:52,774 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:52:52,774 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:52:52,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:52:52,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:52:52,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:52:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:52:53,244 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 55 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-04 12:52:53,245 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-04 12:52:53,245 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 12:52:53,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:52:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:52:53,432 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:52:54,625 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 47 proven. 2 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-04 12:52:54,658 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-04 12:52:54,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2018-10-04 12:52:54,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-04 12:52:54,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-04 12:52:54,660 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:52:54,660 INFO L87 Difference]: Start difference. First operand 1205 states and 1508 transitions. Second operand 8 states. [2018-10-04 12:52:58,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:52:58,419 INFO L93 Difference]: Finished difference Result 2293 states and 2844 transitions. [2018-10-04 12:52:58,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-04 12:52:58,419 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 62 [2018-10-04 12:52:58,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:52:58,425 INFO L225 Difference]: With dead ends: 2293 [2018-10-04 12:52:58,425 INFO L226 Difference]: Without dead ends: 1091 [2018-10-04 12:52:58,427 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9s Time 1.7s impTime 18 [2018-10-04 12:52:58,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2018-10-04 12:52:58,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 653. [2018-10-04 12:52:58,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2018-10-04 12:52:58,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 808 transitions. [2018-10-04 12:52:58,734 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 808 transitions. Word has length 62 [2018-10-04 12:52:58,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:52:58,734 INFO L480 AbstractCegarLoop]: Abstraction has 653 states and 808 transitions. [2018-10-04 12:52:58,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-04 12:52:58,734 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 808 transitions. [2018-10-04 12:52:58,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-04 12:52:58,736 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:52:58,736 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] [2018-10-04 12:52:58,737 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:52:58,737 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:52:58,737 INFO L82 PathProgramCache]: Analyzing trace with hash -552343681, now seen corresponding path program 2 times [2018-10-04 12:52:58,737 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:52:58,737 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:52:58,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:52:58,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:52:58,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:52:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:52:58,816 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-10-04 12:52:58,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:52:58,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-04 12:52:58,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:52:58,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:52:58,817 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:52:58,817 INFO L87 Difference]: Start difference. First operand 653 states and 808 transitions. Second operand 3 states. [2018-10-04 12:52:59,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:52:59,095 INFO L93 Difference]: Finished difference Result 1109 states and 1359 transitions. [2018-10-04 12:52:59,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:52:59,098 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2018-10-04 12:52:59,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:52:59,100 INFO L225 Difference]: With dead ends: 1109 [2018-10-04 12:52:59,101 INFO L226 Difference]: Without dead ends: 459 [2018-10-04 12:52:59,103 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 12:52:59,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2018-10-04 12:52:59,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 457. [2018-10-04 12:52:59,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2018-10-04 12:52:59,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 540 transitions. [2018-10-04 12:52:59,329 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 540 transitions. Word has length 77 [2018-10-04 12:52:59,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:52:59,330 INFO L480 AbstractCegarLoop]: Abstraction has 457 states and 540 transitions. [2018-10-04 12:52:59,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:52:59,330 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 540 transitions. [2018-10-04 12:52:59,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-04 12:52:59,333 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:52:59,333 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] [2018-10-04 12:52:59,334 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-04 12:52:59,334 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 12:52:59,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1096614215, now seen corresponding path program 3 times [2018-10-04 12:52:59,334 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:52:59,335 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:52:59,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:52:59,336 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-04 12:52:59,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:52:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:52:59,492 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-10-04 12:52:59,492 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:52:59,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 12:52:59,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-04 12:52:59,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-04 12:52:59,493 INFO L146 InterpolantAutomaton]: No coverage relation statistics for ImplicationMap [2018-10-04 12:52:59,493 INFO L87 Difference]: Start difference. First operand 457 states and 540 transitions. Second operand 3 states. [2018-10-04 12:52:59,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:52:59,524 INFO L93 Difference]: Finished difference Result 464 states and 547 transitions. [2018-10-04 12:52:59,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-04 12:52:59,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-10-04 12:52:59,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:52:59,525 INFO L225 Difference]: With dead ends: 464 [2018-10-04 12:52:59,526 INFO L226 Difference]: Without dead ends: 0 [2018-10-04 12:52:59,526 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 12:52:59,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-04 12:52:59,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-04 12:52:59,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-04 12:52:59,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-04 12:52:59,527 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 92 [2018-10-04 12:52:59,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:52:59,527 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-04 12:52:59,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-04 12:52:59,528 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-04 12:52:59,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-04 12:52:59,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-04 12:53:00,155 WARN L178 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2018-10-04 12:53:01,185 WARN L178 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 78 DAG size of output: 56 [2018-10-04 12:53:01,488 WARN L178 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 37 [2018-10-04 12:53:01,609 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2018-10-04 12:53:01,713 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2018-10-04 12:53:01,926 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2018-10-04 12:53:02,145 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2018-10-04 12:53:02,325 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 56 [2018-10-04 12:53:02,623 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 38 [2018-10-04 12:53:02,929 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)) [2018-10-04 12:53:02,929 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)) [2018-10-04 12:53:02,929 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 443) no Hoare annotation was computed. [2018-10-04 12:53:02,930 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))) [2018-10-04 12:53:02,930 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)) [2018-10-04 12:53:02,930 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)) [2018-10-04 12:53:02,932 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 81 444) no Hoare annotation was computed. [2018-10-04 12:53:02,932 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 81 444) no Hoare annotation was computed. [2018-10-04 12:53:02,933 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))) [2018-10-04 12:53:02,933 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)) [2018-10-04 12:53:02,933 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 81 444) no Hoare annotation was computed. [2018-10-04 12:53:02,933 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)) [2018-10-04 12:53:02,933 INFO L421 ceAbstractionStarter]: At program point L438(lines 438 442) the Hoare annotation is: false [2018-10-04 12:53:02,933 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)) [2018-10-04 12:53:02,934 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)) [2018-10-04 12:53:02,934 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)) [2018-10-04 12:53:02,934 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)) [2018-10-04 12:53:02,934 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)) [2018-10-04 12:53:02,935 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)) [2018-10-04 12:53:02,935 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)) [2018-10-04 12:53:02,948 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,949 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,949 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,949 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,952 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,953 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,953 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,953 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,955 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,955 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,955 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,955 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,957 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,957 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,958 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,958 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,963 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,963 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,964 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,964 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,965 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,966 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,966 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,966 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,968 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,968 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,968 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,969 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,971 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,971 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,971 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,972 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,974 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,974 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,975 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,975 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,976 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,977 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,977 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,977 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,979 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,980 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,980 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,980 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,982 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,982 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,982 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,982 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,984 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,984 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,984 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,984 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,986 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,986 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,986 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,987 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:02,990 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 04.10 12:53:02 BoogieIcfgContainer [2018-10-04 12:53:02,990 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-04 12:53:02,991 INFO L168 Benchmark]: Toolchain (without parser) took 13927.10 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 127.4 MB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -98.5 MB). Peak memory consumption was 593.7 MB. Max. memory is 7.1 GB. [2018-10-04 12:53:02,993 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 12:53:02,993 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.57 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 12:53:02,994 INFO L168 Benchmark]: Boogie Preprocessor took 34.10 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 12:53:02,995 INFO L168 Benchmark]: RCFGBuilder took 656.61 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 12:53:02,996 INFO L168 Benchmark]: TraceAbstraction took 13188.55 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 127.4 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -130.2 MB). Peak memory consumption was 562.0 MB. Max. memory is 7.1 GB. [2018-10-04 12:53:03,001 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.57 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 34.10 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 656.61 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 13188.55 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 127.4 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -130.2 MB). Peak memory consumption was 562.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 443]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: ((((((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && 0 <= ~send5) && 1 <= ~mode1) && 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 [2018-10-04 12:53:03,016 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,017 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,017 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,017 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,019 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,019 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,019 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,019 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 [2018-10-04 12:53:03,020 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,021 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,021 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,021 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,022 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,022 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,022 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,023 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 [2018-10-04 12:53:03,026 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,026 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,026 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,027 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,028 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,028 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,028 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,028 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 [2018-10-04 12:53:03,030 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,030 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,030 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,030 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,031 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,032 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,032 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,032 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 [2018-10-04 12:53:03,034 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,034 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,034 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,034 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,035 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,035 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,035 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,036 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 [2018-10-04 12:53:03,037 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,037 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,037 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,037 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,038 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,038 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,039 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,039 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 [2018-10-04 12:53:03,040 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,040 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,040 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,040 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,041 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,041 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,041 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-10-04 12:53:03,041 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, 13.0s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 5.2s AutomataDifference, 0.0s DeadEndRemovalTime, 3.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 329 SDtfs, 304 SDslu, 256 SDs, 0 SdLazy, 185 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4s 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: 1.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 690 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 16 PreInvPairs, 33 NumberOfFragments, 954 HoareAnnotationTreeSize, 16 FomulaSimplifications, 446 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 855 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s 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-0-2018-10-04_12-53-03-048.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-0-2018-10-04_12-53-03-048.csv Received shutdown request...