java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 23:39:39,216 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 23:39:39,218 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 23:39:39,229 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 23:39:39,230 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 23:39:39,231 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 23:39:39,232 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 23:39:39,234 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 23:39:39,235 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 23:39:39,236 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 23:39:39,237 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-09-30 23:39:39,269 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-30 23:39:39,298 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 23:39:39,299 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 23:39:39,300 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 23:39:39,300 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 23:39:39,304 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 23:39:39,304 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 23:39:39,304 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 23:39:39,305 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 23:39:39,305 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 23:39:39,305 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 23:39:39,305 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 23:39:39,305 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 23:39:39,307 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 23:39:39,307 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 23:39:39,307 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 23:39:39,307 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 23:39:39,308 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 23:39:39,308 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 23:39:39,309 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 23:39:39,309 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 23:39:39,309 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 23:39:39,309 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 23:39:39,309 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 23:39:39,310 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 23:39:39,310 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 23:39:39,310 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 23:39:39,310 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 23:39:39,311 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 23:39:39,311 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 23:39:39,311 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 23:39:39,366 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 23:39:39,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 23:39:39,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 23:39:39,383 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 23:39:39,384 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 23:39:39,384 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl [2018-09-30 23:39:39,385 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl' [2018-09-30 23:39:39,457 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 23:39:39,460 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 23:39:39,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 23:39:39,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 23:39:39,461 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 23:39:39,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:39:39" (1/1) ... [2018-09-30 23:39:39,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:39:39" (1/1) ... [2018-09-30 23:39:39,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 23:39:39,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 23:39:39,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 23:39:39,507 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 23:39:39,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:39:39" (1/1) ... [2018-09-30 23:39:39,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:39:39" (1/1) ... [2018-09-30 23:39:39,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:39:39" (1/1) ... [2018-09-30 23:39:39,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:39:39" (1/1) ... [2018-09-30 23:39:39,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:39:39" (1/1) ... [2018-09-30 23:39:39,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:39:39" (1/1) ... [2018-09-30 23:39:39,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:39:39" (1/1) ... [2018-09-30 23:39:39,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 23:39:39,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 23:39:39,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 23:39:39,541 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 23:39:39,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:39:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 23:39:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 23:39:39,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 23:39:40,246 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 23:39:40,246 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:39:40 BoogieIcfgContainer [2018-09-30 23:39:40,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 23:39:40,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 23:39:40,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 23:39:40,251 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 23:39:40,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:39:39" (1/2) ... [2018-09-30 23:39:40,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa3f26a and model type pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 11:39:40, skipping insertion in model container [2018-09-30 23:39:40,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:39:40" (2/2) ... [2018-09-30 23:39:40,254 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl [2018-09-30 23:39:40,263 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 23:39:40,271 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 23:39:40,316 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 23:39:40,317 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 23:39:40,317 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 23:39:40,317 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 23:39:40,317 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 23:39:40,317 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 23:39:40,317 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 23:39:40,318 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 23:39:40,318 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 23:39:40,333 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-09-30 23:39:40,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 23:39:40,340 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:39:40,341 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:39:40,342 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:39:40,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:39:40,348 INFO L82 PathProgramCache]: Analyzing trace with hash -417618663, now seen corresponding path program 1 times [2018-09-30 23:39:40,350 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:39:40,351 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:39:40,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:39:40,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:39:40,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:39:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:39:40,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 23:39:40,608 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:39:40,608 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 23:39:40,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:39:40,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:39:40,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:39:40,626 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2018-09-30 23:39:40,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:39:40,698 INFO L93 Difference]: Finished difference Result 51 states and 71 transitions. [2018-09-30 23:39:40,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:39:40,700 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-09-30 23:39:40,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:39:40,713 INFO L225 Difference]: With dead ends: 51 [2018-09-30 23:39:40,713 INFO L226 Difference]: Without dead ends: 33 [2018-09-30 23:39:40,717 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:39:40,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-09-30 23:39:40,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2018-09-30 23:39:40,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-09-30 23:39:40,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2018-09-30 23:39:40,761 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 16 [2018-09-30 23:39:40,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:39:40,761 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2018-09-30 23:39:40,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:39:40,762 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2018-09-30 23:39:40,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 23:39:40,762 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:39:40,763 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:39:40,763 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:39:40,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:39:40,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1428735913, now seen corresponding path program 1 times [2018-09-30 23:39:40,763 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:39:40,764 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:39:40,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:39:40,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:39:40,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:39:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:39:40,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 23:39:40,895 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:39:40,895 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 23:39:40,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:39:40,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:39:40,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:39:40,898 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2018-09-30 23:39:40,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:39:40,936 INFO L93 Difference]: Finished difference Result 91 states and 127 transitions. [2018-09-30 23:39:40,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:39:40,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-09-30 23:39:40,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:39:40,939 INFO L225 Difference]: With dead ends: 91 [2018-09-30 23:39:40,939 INFO L226 Difference]: Without dead ends: 61 [2018-09-30 23:39:40,940 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:39:40,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-09-30 23:39:40,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59. [2018-09-30 23:39:40,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-09-30 23:39:40,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 82 transitions. [2018-09-30 23:39:40,958 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 82 transitions. Word has length 16 [2018-09-30 23:39:40,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:39:40,959 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 82 transitions. [2018-09-30 23:39:40,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:39:40,959 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2018-09-30 23:39:40,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 23:39:40,960 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:39:40,960 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:39:40,960 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:39:40,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:39:40,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1821762923, now seen corresponding path program 1 times [2018-09-30 23:39:40,961 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:39:40,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:39:40,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:39:40,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:39:40,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:39:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:39:41,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 23:39:41,092 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:39:41,093 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 23:39:41,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:39:41,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:39:41,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:39:41,094 INFO L87 Difference]: Start difference. First operand 59 states and 82 transitions. Second operand 3 states. [2018-09-30 23:39:41,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:39:41,163 INFO L93 Difference]: Finished difference Result 175 states and 244 transitions. [2018-09-30 23:39:41,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:39:41,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-09-30 23:39:41,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:39:41,168 INFO L225 Difference]: With dead ends: 175 [2018-09-30 23:39:41,168 INFO L226 Difference]: Without dead ends: 117 [2018-09-30 23:39:41,169 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:39:41,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-09-30 23:39:41,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 115. [2018-09-30 23:39:41,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-09-30 23:39:41,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 158 transitions. [2018-09-30 23:39:41,212 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 158 transitions. Word has length 16 [2018-09-30 23:39:41,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:39:41,213 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 158 transitions. [2018-09-30 23:39:41,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:39:41,213 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 158 transitions. [2018-09-30 23:39:41,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 23:39:41,214 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:39:41,218 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:39:41,219 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:39:41,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:39:41,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1764504621, now seen corresponding path program 1 times [2018-09-30 23:39:41,219 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:39:41,220 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:39:41,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:39:41,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:39:41,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:39:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:39:41,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 23:39:41,347 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:39:41,347 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-30 23:39:41,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 23:39:41,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 23:39:41,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-30 23:39:41,349 INFO L87 Difference]: Start difference. First operand 115 states and 158 transitions. Second operand 4 states. [2018-09-30 23:39:41,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:39:41,538 INFO L93 Difference]: Finished difference Result 245 states and 331 transitions. [2018-09-30 23:39:41,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-30 23:39:41,539 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-09-30 23:39:41,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:39:41,542 INFO L225 Difference]: With dead ends: 245 [2018-09-30 23:39:41,542 INFO L226 Difference]: Without dead ends: 243 [2018-09-30 23:39:41,543 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-30 23:39:41,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-09-30 23:39:41,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 131. [2018-09-30 23:39:41,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-09-30 23:39:41,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 174 transitions. [2018-09-30 23:39:41,582 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 174 transitions. Word has length 16 [2018-09-30 23:39:41,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:39:41,582 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 174 transitions. [2018-09-30 23:39:41,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 23:39:41,583 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 174 transitions. [2018-09-30 23:39:41,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 23:39:41,583 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:39:41,584 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:39:41,584 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:39:41,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:39:41,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1764564203, now seen corresponding path program 1 times [2018-09-30 23:39:41,585 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:39:41,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:39:41,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:39:41,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:39:41,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:39:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:39:41,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 23:39:41,684 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:39:41,685 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 23:39:41,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:39:41,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:39:41,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:39:41,686 INFO L87 Difference]: Start difference. First operand 131 states and 174 transitions. Second operand 3 states. [2018-09-30 23:39:41,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:39:41,791 INFO L93 Difference]: Finished difference Result 319 states and 425 transitions. [2018-09-30 23:39:41,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:39:41,792 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-09-30 23:39:41,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:39:41,794 INFO L225 Difference]: With dead ends: 319 [2018-09-30 23:39:41,794 INFO L226 Difference]: Without dead ends: 189 [2018-09-30 23:39:41,796 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:39:41,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-09-30 23:39:41,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2018-09-30 23:39:41,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-09-30 23:39:41,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 248 transitions. [2018-09-30 23:39:41,844 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 248 transitions. Word has length 16 [2018-09-30 23:39:41,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:39:41,844 INFO L480 AbstractCegarLoop]: Abstraction has 189 states and 248 transitions. [2018-09-30 23:39:41,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:39:41,845 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 248 transitions. [2018-09-30 23:39:41,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 23:39:41,846 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:39:41,847 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:39:41,847 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:39:41,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:39:41,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1265916431, now seen corresponding path program 1 times [2018-09-30 23:39:41,848 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:39:41,848 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:39:41,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:39:41,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:39:41,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:39:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:39:41,943 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 23:39:41,943 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:39:41,943 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:39:41,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:39:41,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:39:41,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:39:41,945 INFO L87 Difference]: Start difference. First operand 189 states and 248 transitions. Second operand 3 states. [2018-09-30 23:39:42,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:39:42,131 INFO L93 Difference]: Finished difference Result 561 states and 738 transitions. [2018-09-30 23:39:42,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:39:42,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-09-30 23:39:42,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:39:42,134 INFO L225 Difference]: With dead ends: 561 [2018-09-30 23:39:42,135 INFO L226 Difference]: Without dead ends: 375 [2018-09-30 23:39:42,136 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:39:42,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-09-30 23:39:42,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 373. [2018-09-30 23:39:42,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-09-30 23:39:42,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 480 transitions. [2018-09-30 23:39:42,239 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 480 transitions. Word has length 30 [2018-09-30 23:39:42,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:39:42,239 INFO L480 AbstractCegarLoop]: Abstraction has 373 states and 480 transitions. [2018-09-30 23:39:42,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:39:42,240 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 480 transitions. [2018-09-30 23:39:42,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 23:39:42,242 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:39:42,242 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:39:42,242 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:39:42,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:39:42,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1524081869, now seen corresponding path program 1 times [2018-09-30 23:39:42,243 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:39:42,243 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:39:42,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:39:42,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:39:42,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:39:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:39:42,324 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 23:39:42,324 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:39:42,324 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 23:39:42,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:39:42,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:39:42,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:39:42,326 INFO L87 Difference]: Start difference. First operand 373 states and 480 transitions. Second operand 3 states. [2018-09-30 23:39:42,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:39:42,509 INFO L93 Difference]: Finished difference Result 1113 states and 1434 transitions. [2018-09-30 23:39:42,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:39:42,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-09-30 23:39:42,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:39:42,515 INFO L225 Difference]: With dead ends: 1113 [2018-09-30 23:39:42,515 INFO L226 Difference]: Without dead ends: 743 [2018-09-30 23:39:42,520 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:39:42,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2018-09-30 23:39:42,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 741. [2018-09-30 23:39:42,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2018-09-30 23:39:42,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 932 transitions. [2018-09-30 23:39:42,657 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 932 transitions. Word has length 30 [2018-09-30 23:39:42,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:39:42,658 INFO L480 AbstractCegarLoop]: Abstraction has 741 states and 932 transitions. [2018-09-30 23:39:42,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:39:42,658 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 932 transitions. [2018-09-30 23:39:42,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 23:39:42,662 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:39:42,662 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 23:39:42,662 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:39:42,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:39:42,663 INFO L82 PathProgramCache]: Analyzing trace with hash -714735243, now seen corresponding path program 1 times [2018-09-30 23:39:42,663 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:39:42,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:39:42,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:39:42,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:39:42,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:39:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:39:42,984 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 23:39:42,984 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 23:39:42,984 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 23:39:43,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:39:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:39:43,133 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 23:39:43,421 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 23:39:43,453 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 23:39:43,453 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2018-09-30 23:39:43,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-30 23:39:43,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-30 23:39:43,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-09-30 23:39:43,455 INFO L87 Difference]: Start difference. First operand 741 states and 932 transitions. Second operand 7 states. [2018-09-30 23:39:43,667 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-09-30 23:39:43,820 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-09-30 23:39:44,478 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-09-30 23:39:44,760 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-30 23:39:45,642 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-09-30 23:39:46,266 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-30 23:39:46,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:39:46,763 INFO L93 Difference]: Finished difference Result 1609 states and 2019 transitions. [2018-09-30 23:39:46,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-30 23:39:46,763 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-09-30 23:39:46,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:39:46,767 INFO L225 Difference]: With dead ends: 1609 [2018-09-30 23:39:46,767 INFO L226 Difference]: Without dead ends: 565 [2018-09-30 23:39:46,769 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2018-09-30 23:39:46,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2018-09-30 23:39:46,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 515. [2018-09-30 23:39:46,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-09-30 23:39:46,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 606 transitions. [2018-09-30 23:39:46,868 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 606 transitions. Word has length 30 [2018-09-30 23:39:46,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:39:46,868 INFO L480 AbstractCegarLoop]: Abstraction has 515 states and 606 transitions. [2018-09-30 23:39:46,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-30 23:39:46,868 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 606 transitions. [2018-09-30 23:39:46,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 23:39:46,870 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 23:39:46,871 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2018-09-30 23:39:46,871 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 23:39:46,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 23:39:46,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1918843925, now seen corresponding path program 2 times [2018-09-30 23:39:46,872 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 23:39:46,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 23:39:46,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:39:46,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 23:39:46,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 23:39:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 23:39:46,953 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-09-30 23:39:46,953 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 23:39:46,954 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 23:39:46,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 23:39:46,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 23:39:46,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:39:46,956 INFO L87 Difference]: Start difference. First operand 515 states and 606 transitions. Second operand 3 states. [2018-09-30 23:39:46,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 23:39:46,976 INFO L93 Difference]: Finished difference Result 515 states and 606 transitions. [2018-09-30 23:39:46,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 23:39:46,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-09-30 23:39:46,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 23:39:46,976 INFO L225 Difference]: With dead ends: 515 [2018-09-30 23:39:46,977 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 23:39:46,978 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 23:39:46,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 23:39:46,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 23:39:46,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 23:39:46,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 23:39:46,979 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2018-09-30 23:39:46,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 23:39:46,979 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 23:39:46,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 23:39:46,979 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 23:39:46,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 23:39:46,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 23:39:47,503 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-30 23:39:48,082 WARN L178 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2018-09-30 23:39:48,428 WARN L178 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-09-30 23:39:48,611 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-09-30 23:39:48,839 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-09-30 23:39:49,283 WARN L178 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-09-30 23:39:49,527 WARN L178 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-09-30 23:39:49,727 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2018-09-30 23:39:49,879 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-09-30 23:39:50,096 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-09-30 23:39:50,357 WARN L178 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2018-09-30 23:39:50,442 INFO L422 ceAbstractionStarter]: At program point L415(lines 409 416) the Hoare annotation is: (let ((.cse0 (<= 0 ~send1)) (.cse1 (<= 1 ~mode2)) (.cse2 (<= ~mode2 1)) (.cse3 (not (= ~p1_new ~nomsg))) (.cse4 (<= ~send1 127)) (.cse6 (= 0 (+ ~nomsg 1)))) (or (and (not (= ~p1_old ~nomsg)) .cse0 .cse1 .cse2 .cse3 .cse4 (exists ((v_~r1_7 Int)) (let ((.cse5 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse5 1)) (<= .cse5 0)))) .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 (<= ~r1 (* 256 (div ~r1 256)))))) [2018-09-30 23:39:50,442 INFO L422 ceAbstractionStarter]: At program point L461(lines 308 461) the Hoare annotation is: (let ((.cse0 (<= 0 ~send1)) (.cse1 (<= ~send1 127)) (.cse2 (= 0 (+ ~nomsg 1)))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) .cse0 (= ~mode3 (* 256 (div ~mode3 256))) (= ~mode1 (* 256 (div ~mode1 256))) (= ~mode2 (* 256 (div ~mode2 256))) .cse1 .cse2 (<= ~r1 (* 256 (div ~r1 256)))) (and (not (= ~p1_old ~nomsg)) .cse0 (<= 1 ~mode2) (<= ~mode2 1) .cse1 .cse2))) [2018-09-30 23:39:50,443 INFO L422 ceAbstractionStarter]: At program point L395(lines 389 396) the Hoare annotation is: (let ((.cse7 (<= ~r1 (* 256 (div ~r1 256)))) (.cse0 (not (= ~p1_old ~nomsg))) (.cse1 (<= 0 ~send1)) (.cse2 (<= 1 ~mode2)) (.cse3 (<= ~mode2 1)) (.cse4 (not (= ~p1_new ~nomsg))) (.cse5 (<= ~send1 127)) (.cse6 (= 0 (+ ~nomsg 1)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= ~mode5 (* 256 (div ~mode5 256))) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse6))) [2018-09-30 23:39:50,443 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 91 464) no Hoare annotation was computed. [2018-09-30 23:39:50,443 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 91 464) no Hoare annotation was computed. [2018-09-30 23:39:50,443 INFO L422 ceAbstractionStarter]: At program point L375(lines 369 376) the Hoare annotation is: (let ((.cse7 (<= ~r1 (* 256 (div ~r1 256)))) (.cse0 (not (= ~p1_old ~nomsg))) (.cse1 (<= 0 ~send1)) (.cse2 (<= 1 ~mode2)) (.cse3 (<= ~mode2 1)) (.cse4 (not (= ~p1_new ~nomsg))) (.cse5 (<= ~send1 127)) (.cse6 (= 0 (+ ~nomsg 1)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= ~mode5 (* 256 (div ~mode5 256))) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse6))) [2018-09-30 23:39:50,443 INFO L422 ceAbstractionStarter]: At program point L400(lines 400 410) the Hoare annotation is: (let ((.cse7 (<= ~r1 (* 256 (div ~r1 256)))) (.cse0 (not (= ~p1_old ~nomsg))) (.cse1 (<= 0 ~send1)) (.cse2 (<= 1 ~mode2)) (.cse3 (<= ~mode2 1)) (.cse4 (not (= ~p1_new ~nomsg))) (.cse5 (<= ~send1 127)) (.cse6 (= 0 (+ ~nomsg 1)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= ~mode5 (* 256 (div ~mode5 256))) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse6))) [2018-09-30 23:39:50,443 INFO L422 ceAbstractionStarter]: At program point L458(lines 458 462) the Hoare annotation is: false [2018-09-30 23:39:50,444 INFO L422 ceAbstractionStarter]: At program point L355(lines 349 356) the Hoare annotation is: (let ((.cse0 (not (= ~p1_old ~nomsg))) (.cse1 (<= 0 ~send1)) (.cse2 (<= 1 ~mode2)) (.cse3 (<= ~mode2 1)) (.cse4 (not (= ~p1_new ~nomsg))) (.cse5 (<= ~send1 127)) (.cse6 (= 0 (+ ~nomsg 1))) (.cse7 (<= ~r1 (* 256 (div ~r1 256))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse6) (and (= ~mode5 (* 256 (div ~mode5 256))) .cse1 (= ~mode3 (* 256 (div ~mode3 256))) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2018-09-30 23:39:50,444 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 91 464) no Hoare annotation was computed. [2018-09-30 23:39:50,444 INFO L422 ceAbstractionStarter]: At program point L380(lines 380 390) the Hoare annotation is: (let ((.cse7 (<= ~r1 (* 256 (div ~r1 256)))) (.cse0 (not (= ~p1_old ~nomsg))) (.cse1 (<= 0 ~send1)) (.cse2 (<= 1 ~mode2)) (.cse3 (<= ~mode2 1)) (.cse4 (not (= ~p1_new ~nomsg))) (.cse5 (<= ~send1 127)) (.cse6 (= 0 (+ ~nomsg 1)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and (= ~mode5 (* 256 (div ~mode5 256))) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse6))) [2018-09-30 23:39:50,444 INFO L422 ceAbstractionStarter]: At program point L442(lines 438 443) the Hoare annotation is: (and (not (= ~p1_old ~nomsg)) (<= 0 ~send1) (<= 1 ~mode2) (<= ~mode2 1) (<= ~send1 127) (= 0 (+ ~nomsg 1)) (<= 1 ULTIMATE.start_check_~tmp~129)) [2018-09-30 23:39:50,444 INFO L422 ceAbstractionStarter]: At program point L335(lines 326 336) the Hoare annotation is: (let ((.cse6 (<= 1 ~mode2)) (.cse7 (<= ~mode2 1)) (.cse5 (not (= ~p1_old ~nomsg))) (.cse0 (<= 0 ~send1)) (.cse1 (not (= ~p1_new ~nomsg))) (.cse2 (<= ~send1 127)) (.cse3 (= 0 (+ ~nomsg 1))) (.cse4 (<= ~r1 (* 256 (div ~r1 256))))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) .cse0 (= ~mode3 (* 256 (div ~mode3 256))) .cse1 (= ~mode2 (* 256 (div ~mode2 256))) .cse2 .cse3 .cse4) (and .cse5 .cse0 (= ~mode1 (* 256 (div ~mode1 256))) .cse6 .cse7 .cse2 .cse3) (and .cse5 .cse0 .cse6 .cse7 .cse1 .cse2 .cse3) (and .cse5 .cse0 .cse1 .cse2 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse3) (and .cse5 .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-09-30 23:39:50,445 INFO L422 ceAbstractionStarter]: At program point L360(lines 360 370) the Hoare annotation is: (let ((.cse0 (not (= ~p1_old ~nomsg))) (.cse1 (<= 0 ~send1)) (.cse2 (<= 1 ~mode2)) (.cse3 (<= ~mode2 1)) (.cse4 (not (= ~p1_new ~nomsg))) (.cse5 (<= ~send1 127)) (.cse6 (= 0 (+ ~nomsg 1))) (.cse7 (<= ~r1 (* 256 (div ~r1 256))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse6) (and (= ~mode5 (* 256 (div ~mode5 256))) .cse1 (= ~mode3 (* 256 (div ~mode3 256))) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7))) [2018-09-30 23:39:50,445 INFO L422 ceAbstractionStarter]: At program point L315(lines 315 327) the Hoare annotation is: (let ((.cse0 (<= 0 ~send1)) (.cse1 (<= ~send1 127)) (.cse2 (= 0 (+ ~nomsg 1)))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) .cse0 (= ~mode3 (* 256 (div ~mode3 256))) (= ~mode1 (* 256 (div ~mode1 256))) (= ~mode2 (* 256 (div ~mode2 256))) .cse1 .cse2 (<= ~r1 (* 256 (div ~r1 256)))) (and (not (= ~p1_old ~nomsg)) .cse0 (<= 1 ~mode2) (<= ~mode2 1) .cse1 .cse2))) [2018-09-30 23:39:50,445 INFO L422 ceAbstractionStarter]: At program point L340(lines 340 350) the Hoare annotation is: (let ((.cse6 (<= 1 ~mode2)) (.cse7 (<= ~mode2 1)) (.cse5 (not (= ~p1_old ~nomsg))) (.cse0 (<= 0 ~send1)) (.cse1 (not (= ~p1_new ~nomsg))) (.cse2 (<= ~send1 127)) (.cse3 (= 0 (+ ~nomsg 1))) (.cse4 (<= ~r1 (* 256 (div ~r1 256))))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) .cse0 (= ~mode3 (* 256 (div ~mode3 256))) .cse1 (= ~mode2 (* 256 (div ~mode2 256))) .cse2 .cse3 .cse4) (and .cse5 .cse0 (= ~mode1 (* 256 (div ~mode1 256))) .cse6 .cse7 .cse2 .cse3) (and .cse5 .cse0 .cse6 .cse7 .cse1 .cse2 .cse3) (and .cse5 .cse0 .cse1 .cse2 (exists ((v_~r1_7 Int)) (let ((.cse8 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse8 1)) (<= .cse8 0)))) .cse3) (and .cse5 .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-09-30 23:39:50,445 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 463) no Hoare annotation was computed. [2018-09-30 23:39:50,446 INFO L422 ceAbstractionStarter]: At program point L431(lines 431 439) the Hoare annotation is: (let ((.cse0 (not (= ~p1_old ~nomsg))) (.cse1 (<= 0 ~send1)) (.cse2 (<= 1 ~mode2)) (.cse3 (<= ~mode2 1)) (.cse4 (<= ~send1 127)) (.cse5 (= 0 (+ ~nomsg 1)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= ~r1 (* 256 (div ~r1 256)))) (and .cse0 .cse1 .cse2 .cse3 .cse4 (exists ((v_~r1_7 Int)) (let ((.cse6 (mod v_~r1_7 256))) (and (= ~r1 (+ .cse6 1)) (<= .cse6 0)))) .cse5))) [2018-09-30 23:39:50,446 INFO L422 ceAbstractionStarter]: At program point L452(lines 452 459) the Hoare annotation is: (and (not (= ~p1_old ~nomsg)) (<= 0 ~send1) (= ULTIMATE.start_assert_~arg 1) (<= 1 ~mode2) (<= ~mode2 1) (<= ~send1 127) (= 0 (+ ~nomsg 1)) (<= 1 ULTIMATE.start_check_~tmp~129)) [2018-09-30 23:39:50,458 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,459 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,462 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,462 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,465 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,465 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,467 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,468 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,469 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,470 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,471 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,472 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,473 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,474 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,475 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,476 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,478 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,478 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,480 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,480 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,482 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,482 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,484 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,485 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,486 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,486 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,488 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,488 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,491 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,491 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,493 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,493 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,496 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,496 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,498 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,498 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,499 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,499 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,501 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,501 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,503 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 11:39:50 BoogieIcfgContainer [2018-09-30 23:39:50,503 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 23:39:50,504 INFO L168 Benchmark]: Toolchain (without parser) took 11046.75 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 24.1 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 209.8 MB). Peak memory consumption was 490.6 MB. Max. memory is 7.1 GB. [2018-09-30 23:39:50,505 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 23:39:50,506 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.60 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 23:39:50,506 INFO L168 Benchmark]: Boogie Preprocessor took 33.37 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 23:39:50,507 INFO L168 Benchmark]: RCFGBuilder took 706.20 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. [2018-09-30 23:39:50,508 INFO L168 Benchmark]: TraceAbstraction took 10255.85 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 24.1 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 178.1 MB). Peak memory consumption was 458.8 MB. Max. memory is 7.1 GB. [2018-09-30 23:39:50,512 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 0.18 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 45.60 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 33.37 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 706.20 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 10255.85 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 24.1 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 178.1 MB). Peak memory consumption was 458.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 463]: 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: 452]: Loop Invariant Derived loop invariant: ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && assert_~arg == 1) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && 0 == ~nomsg + 1) && 1 <= check_~tmp~129 - InvariantResult [Line: 349]: Loop Invariant [2018-09-30 23:39:50,524 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,524 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,526 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,526 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || (((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 == ~nomsg + 1)) || ((((((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send1) && ~mode3 == 256 * (~mode3 / 256)) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send1) && ~mode3 == 256 * (~mode3 / 256)) && ~mode1 == 256 * (~mode1 / 256)) && ~mode2 == 256 * (~mode2 / 256)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || (((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && 0 == ~nomsg + 1) - InvariantResult [Line: 369]: Loop Invariant [2018-09-30 23:39:50,528 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,528 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,529 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,530 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || (((((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256))) || (((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 == ~nomsg + 1) - InvariantResult [Line: 389]: Loop Invariant [2018-09-30 23:39:50,531 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,531 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,532 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,532 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || (((((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256))) || (((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 == ~nomsg + 1) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 409]: Loop Invariant [2018-09-30 23:39:50,534 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,534 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,535 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,535 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: (((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 == ~nomsg + 1) || ((((((0 <= ~send1 && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) - InvariantResult [Line: 340]: Loop Invariant [2018-09-30 23:39:50,536 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,537 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,538 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,538 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send1) && ~mode3 == 256 * (~mode3 / 256)) && !(~p1_new == ~nomsg)) && ~mode2 == 256 * (~mode2 / 256)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && ~mode1 == 256 * (~mode1 / 256)) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && 0 == ~nomsg + 1)) || ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1)) || (((((!(~p1_old == ~nomsg) && 0 <= ~send1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 == ~nomsg + 1)) || (((((!(~p1_old == ~nomsg) && 0 <= ~send1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) - InvariantResult [Line: 360]: Loop Invariant [2018-09-30 23:39:50,539 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,539 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,540 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,540 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || (((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 == ~nomsg + 1)) || ((((((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send1) && ~mode3 == 256 * (~mode3 / 256)) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) - InvariantResult [Line: 380]: Loop Invariant [2018-09-30 23:39:50,541 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,542 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,542 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,543 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || (((((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256))) || (((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 == ~nomsg + 1) - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: (((((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send1) && ~mode3 == 256 * (~mode3 / 256)) && ~mode1 == 256 * (~mode1 / 256)) && ~mode2 == 256 * (~mode2 / 256)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || (((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && 0 == ~nomsg + 1) - InvariantResult [Line: 400]: Loop Invariant [2018-09-30 23:39:50,544 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,544 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,545 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,545 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || (((((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256))) || (((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 == ~nomsg + 1) - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: (((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && 0 == ~nomsg + 1) && 1 <= check_~tmp~129 - InvariantResult [Line: 326]: Loop Invariant [2018-09-30 23:39:50,547 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,547 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,548 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,548 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((((((~mode5 == 256 * (~mode5 / 256) && 0 <= ~send1) && ~mode3 == 256 * (~mode3 / 256)) && !(~p1_new == ~nomsg)) && ~mode2 == 256 * (~mode2 / 256)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && ~mode1 == 256 * (~mode1 / 256)) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && 0 == ~nomsg + 1)) || ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1)) || (((((!(~p1_old == ~nomsg) && 0 <= ~send1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 == ~nomsg + 1)) || (((((!(~p1_old == ~nomsg) && 0 <= ~send1) && !(~p1_new == ~nomsg)) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) - InvariantResult [Line: 431]: Loop Invariant [2018-09-30 23:39:50,549 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,549 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,550 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] [2018-09-30 23:39:50,550 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_7,QUANTIFIED] Derived loop invariant: ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) || ((((((!(~p1_old == ~nomsg) && 0 <= ~send1) && 1 <= ~mode2) && ~mode2 <= 1) && ~send1 <= 127) && (exists v_~r1_7 : int :: ~r1 == v_~r1_7 % 256 + 1 && v_~r1_7 % 256 <= 0)) && 0 == ~nomsg + 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. SAFE Result, 10.1s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 3.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 269 SDtfs, 238 SDslu, 219 SDs, 0 SdLazy, 187 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=741occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 172 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 325 NumberOfFragments, 1326 HoareAnnotationTreeSize, 15 FomulaSimplifications, 16549 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 15 FomulaSimplificationsInter, 100 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 248 ConstructedInterpolants, 10 QuantifiedInterpolants, 24394 SizeOfPredicates, 1 NumberOfNonLiveVariables, 296 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 126/140 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-30_23-39-50-556.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c_11.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-30_23-39-50-556.csv Received shutdown request...