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.6.ufo.UNBOUNDED.pals.c_23.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 20:19:59,812 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 20:19:59,814 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 20:19:59,826 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 20:19:59,826 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 20:19:59,828 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 20:19:59,829 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 20:19:59,831 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 20:19:59,832 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 20:19:59,833 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 20:19:59,834 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-09-30 20:19:59,874 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-30 20:19:59,908 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 20:19:59,909 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 20:19:59,909 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 20:19:59,910 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 20:19:59,910 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 20:19:59,911 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 20:19:59,912 INFO L133 SettingsManager]: * Use SBE=true [2018-09-30 20:19:59,912 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 20:19:59,912 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 20:19:59,912 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 20:19:59,912 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 20:19:59,913 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 20:19:59,913 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 20:19:59,913 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 20:19:59,913 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 20:19:59,915 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 20:19:59,915 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 20:19:59,915 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 20:19:59,915 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 20:19:59,916 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-30 20:19:59,916 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 20:19:59,916 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-30 20:19:59,916 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 20:19:59,916 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 20:19:59,917 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 20:19:59,917 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 20:19:59,917 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-30 20:19:59,918 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 20:19:59,918 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 20:19:59,919 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 20:19:59,974 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 20:19:59,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 20:19:59,991 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 20:19:59,993 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 20:19:59,994 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 20:19:59,994 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl [2018-09-30 20:19:59,995 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl' [2018-09-30 20:20:00,081 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 20:20:00,085 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 20:20:00,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 20:20:00,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 20:20:00,086 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 20:20:00,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:20:00" (1/1) ... [2018-09-30 20:20:00,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:20:00" (1/1) ... [2018-09-30 20:20:00,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 20:20:00,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 20:20:00,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 20:20:00,137 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 20:20:00,149 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:20:00" (1/1) ... [2018-09-30 20:20:00,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:20:00" (1/1) ... [2018-09-30 20:20:00,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:20:00" (1/1) ... [2018-09-30 20:20:00,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:20:00" (1/1) ... [2018-09-30 20:20:00,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:20:00" (1/1) ... [2018-09-30 20:20:00,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:20:00" (1/1) ... [2018-09-30 20:20:00,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:20:00" (1/1) ... [2018-09-30 20:20:00,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 20:20:00,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 20:20:00,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 20:20:00,176 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 20:20:00,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:20:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-30 20:20:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 20:20:00,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 20:20:00,922 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 20:20:00,922 INFO L202 PluginConnector]: Adding new model pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:20:00 BoogieIcfgContainer [2018-09-30 20:20:00,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 20:20:00,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-30 20:20:00,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-30 20:20:00,927 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-30 20:20:00,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:20:00" (1/2) ... [2018-09-30 20:20:00,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d60a860 and model type pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 08:20:00, skipping insertion in model container [2018-09-30 20:20:00,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:20:00" (2/2) ... [2018-09-30 20:20:00,931 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl [2018-09-30 20:20:00,941 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-30 20:20:00,949 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-30 20:20:01,006 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-30 20:20:01,007 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-30 20:20:01,007 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-30 20:20:01,007 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-30 20:20:01,007 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-30 20:20:01,007 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-30 20:20:01,007 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-30 20:20:01,008 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-30 20:20:01,008 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-30 20:20:01,028 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-09-30 20:20:01,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 20:20:01,035 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:01,036 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:20:01,037 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:01,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:01,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1242790345, now seen corresponding path program 1 times [2018-09-30 20:20:01,046 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:01,047 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:01,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:01,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:01,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:01,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:20:01,323 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:20:01,323 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 20:20:01,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:20:01,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:20:01,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:01,342 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2018-09-30 20:20:01,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:01,422 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2018-09-30 20:20:01,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:20:01,424 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-09-30 20:20:01,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:01,439 INFO L225 Difference]: With dead ends: 60 [2018-09-30 20:20:01,439 INFO L226 Difference]: Without dead ends: 39 [2018-09-30 20:20:01,446 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:01,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-09-30 20:20:01,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2018-09-30 20:20:01,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-09-30 20:20:01,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 53 transitions. [2018-09-30 20:20:01,511 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 53 transitions. Word has length 19 [2018-09-30 20:20:01,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:01,513 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 53 transitions. [2018-09-30 20:20:01,513 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:20:01,513 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2018-09-30 20:20:01,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 20:20:01,514 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:01,514 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:20:01,515 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:01,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:01,515 INFO L82 PathProgramCache]: Analyzing trace with hash -345557557, now seen corresponding path program 1 times [2018-09-30 20:20:01,515 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:01,516 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:01,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:01,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:01,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:01,684 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 20:20:01,685 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:20:01,685 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 20:20:01,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:20:01,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:20:01,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:01,689 INFO L87 Difference]: Start difference. First operand 37 states and 53 transitions. Second operand 3 states. [2018-09-30 20:20:01,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:01,723 INFO L93 Difference]: Finished difference Result 109 states and 157 transitions. [2018-09-30 20:20:01,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:20:01,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-09-30 20:20:01,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:01,725 INFO L225 Difference]: With dead ends: 109 [2018-09-30 20:20:01,725 INFO L226 Difference]: Without dead ends: 73 [2018-09-30 20:20:01,726 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:01,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-09-30 20:20:01,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2018-09-30 20:20:01,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-09-30 20:20:01,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 102 transitions. [2018-09-30 20:20:01,745 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 102 transitions. Word has length 19 [2018-09-30 20:20:01,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:01,745 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 102 transitions. [2018-09-30 20:20:01,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:20:01,746 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 102 transitions. [2018-09-30 20:20:01,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 20:20:01,747 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:01,747 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:20:01,747 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:01,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:01,748 INFO L82 PathProgramCache]: Analyzing trace with hash -932363571, now seen corresponding path program 1 times [2018-09-30 20:20:01,748 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:01,748 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:01,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:01,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:01,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:01,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:01,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:20:01,897 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:20:01,897 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 20:20:01,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:20:01,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:20:01,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:01,898 INFO L87 Difference]: Start difference. First operand 71 states and 102 transitions. Second operand 3 states. [2018-09-30 20:20:01,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:01,968 INFO L93 Difference]: Finished difference Result 211 states and 304 transitions. [2018-09-30 20:20:01,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:20:01,969 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-09-30 20:20:01,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:01,973 INFO L225 Difference]: With dead ends: 211 [2018-09-30 20:20:01,974 INFO L226 Difference]: Without dead ends: 141 [2018-09-30 20:20:01,975 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:01,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-09-30 20:20:02,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2018-09-30 20:20:02,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-09-30 20:20:02,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 198 transitions. [2018-09-30 20:20:02,011 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 198 transitions. Word has length 19 [2018-09-30 20:20:02,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:02,013 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 198 transitions. [2018-09-30 20:20:02,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:20:02,014 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 198 transitions. [2018-09-30 20:20:02,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 20:20:02,017 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:02,018 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:20:02,018 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:02,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:02,019 INFO L82 PathProgramCache]: Analyzing trace with hash -252305201, now seen corresponding path program 1 times [2018-09-30 20:20:02,019 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:02,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:02,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:02,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:02,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:02,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:20:02,148 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:20:02,149 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 20:20:02,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:20:02,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:20:02,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:02,150 INFO L87 Difference]: Start difference. First operand 139 states and 198 transitions. Second operand 3 states. [2018-09-30 20:20:02,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:02,302 INFO L93 Difference]: Finished difference Result 349 states and 498 transitions. [2018-09-30 20:20:02,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:20:02,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-09-30 20:20:02,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:02,310 INFO L225 Difference]: With dead ends: 349 [2018-09-30 20:20:02,310 INFO L226 Difference]: Without dead ends: 211 [2018-09-30 20:20:02,314 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:02,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-09-30 20:20:02,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 209. [2018-09-30 20:20:02,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-09-30 20:20:02,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 292 transitions. [2018-09-30 20:20:02,396 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 292 transitions. Word has length 19 [2018-09-30 20:20:02,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:02,396 INFO L480 AbstractCegarLoop]: Abstraction has 209 states and 292 transitions. [2018-09-30 20:20:02,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:20:02,396 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 292 transitions. [2018-09-30 20:20:02,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 20:20:02,397 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:02,397 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-30 20:20:02,398 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:02,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:02,398 INFO L82 PathProgramCache]: Analyzing trace with hash -250458159, now seen corresponding path program 1 times [2018-09-30 20:20:02,399 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:02,399 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:02,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:02,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:02,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:02,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:20:02,506 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:20:02,507 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-30 20:20:02,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-30 20:20:02,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-30 20:20:02,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-30 20:20:02,508 INFO L87 Difference]: Start difference. First operand 209 states and 292 transitions. Second operand 4 states. [2018-09-30 20:20:02,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:02,695 INFO L93 Difference]: Finished difference Result 377 states and 522 transitions. [2018-09-30 20:20:02,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-30 20:20:02,696 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-09-30 20:20:02,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:02,699 INFO L225 Difference]: With dead ends: 377 [2018-09-30 20:20:02,700 INFO L226 Difference]: Without dead ends: 375 [2018-09-30 20:20:02,701 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-30 20:20:02,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-09-30 20:20:02,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 225. [2018-09-30 20:20:02,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-09-30 20:20:02,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 304 transitions. [2018-09-30 20:20:02,772 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 304 transitions. Word has length 19 [2018-09-30 20:20:02,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:02,772 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 304 transitions. [2018-09-30 20:20:02,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-30 20:20:02,773 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 304 transitions. [2018-09-30 20:20:02,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 20:20:02,775 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:02,775 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 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 20:20:02,775 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:02,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:02,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1238295361, now seen corresponding path program 1 times [2018-09-30 20:20:02,776 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:02,776 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:02,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:02,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:02,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:02,917 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:20:02,918 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:20:02,918 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 20:20:02,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:20:02,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:20:02,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:02,919 INFO L87 Difference]: Start difference. First operand 225 states and 304 transitions. Second operand 3 states. [2018-09-30 20:20:03,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:03,049 INFO L93 Difference]: Finished difference Result 669 states and 906 transitions. [2018-09-30 20:20:03,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:20:03,050 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-09-30 20:20:03,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:03,053 INFO L225 Difference]: With dead ends: 669 [2018-09-30 20:20:03,053 INFO L226 Difference]: Without dead ends: 447 [2018-09-30 20:20:03,055 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:03,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-09-30 20:20:03,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 445. [2018-09-30 20:20:03,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2018-09-30 20:20:03,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 592 transitions. [2018-09-30 20:20:03,131 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 592 transitions. Word has length 36 [2018-09-30 20:20:03,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:03,132 INFO L480 AbstractCegarLoop]: Abstraction has 445 states and 592 transitions. [2018-09-30 20:20:03,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:20:03,132 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 592 transitions. [2018-09-30 20:20:03,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 20:20:03,135 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:03,136 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 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 20:20:03,136 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:03,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:03,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1776808257, now seen corresponding path program 1 times [2018-09-30 20:20:03,138 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:03,138 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:03,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:03,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:03,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:03,307 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:20:03,307 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:20:03,307 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 20:20:03,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:20:03,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:20:03,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:03,309 INFO L87 Difference]: Start difference. First operand 445 states and 592 transitions. Second operand 3 states. [2018-09-30 20:20:03,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:03,508 INFO L93 Difference]: Finished difference Result 1329 states and 1770 transitions. [2018-09-30 20:20:03,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:20:03,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-09-30 20:20:03,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:03,513 INFO L225 Difference]: With dead ends: 1329 [2018-09-30 20:20:03,514 INFO L226 Difference]: Without dead ends: 887 [2018-09-30 20:20:03,516 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:03,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2018-09-30 20:20:03,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 885. [2018-09-30 20:20:03,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2018-09-30 20:20:03,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1156 transitions. [2018-09-30 20:20:03,649 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1156 transitions. Word has length 36 [2018-09-30 20:20:03,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:03,649 INFO L480 AbstractCegarLoop]: Abstraction has 885 states and 1156 transitions. [2018-09-30 20:20:03,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:20:03,649 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1156 transitions. [2018-09-30 20:20:03,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 20:20:03,659 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:03,659 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, 1, 1, 1, 1, 1, 1] [2018-09-30 20:20:03,660 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:03,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:03,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1817094461, now seen corresponding path program 1 times [2018-09-30 20:20:03,660 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:03,662 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:03,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:03,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:03,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:03,828 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:20:03,828 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:20:03,828 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-30 20:20:03,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:20:03,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:20:03,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:03,830 INFO L87 Difference]: Start difference. First operand 885 states and 1156 transitions. Second operand 3 states. [2018-09-30 20:20:04,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:04,151 INFO L93 Difference]: Finished difference Result 2649 states and 3462 transitions. [2018-09-30 20:20:04,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:20:04,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-09-30 20:20:04,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:04,161 INFO L225 Difference]: With dead ends: 2649 [2018-09-30 20:20:04,161 INFO L226 Difference]: Without dead ends: 1767 [2018-09-30 20:20:04,163 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:04,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2018-09-30 20:20:04,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1765. [2018-09-30 20:20:04,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1765 states. [2018-09-30 20:20:04,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1765 states and 2260 transitions. [2018-09-30 20:20:04,408 INFO L78 Accepts]: Start accepts. Automaton has 1765 states and 2260 transitions. Word has length 36 [2018-09-30 20:20:04,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:04,408 INFO L480 AbstractCegarLoop]: Abstraction has 1765 states and 2260 transitions. [2018-09-30 20:20:04,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:20:04,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2260 transitions. [2018-09-30 20:20:04,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 20:20:04,412 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:04,412 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, 1, 1, 1, 1, 1, 1] [2018-09-30 20:20:04,412 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:04,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:04,413 INFO L82 PathProgramCache]: Analyzing trace with hash 42087099, now seen corresponding path program 1 times [2018-09-30 20:20:04,413 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:04,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:04,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:04,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:04,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:04,611 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-09-30 20:20:04,700 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 20:20:04,701 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-30 20:20:04,701 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-30 20:20:04,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:04,853 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 20:20:05,199 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 20:20:05,232 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-30 20:20:05,233 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2018-09-30 20:20:05,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-30 20:20:05,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-30 20:20:05,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-09-30 20:20:05,234 INFO L87 Difference]: Start difference. First operand 1765 states and 2260 transitions. Second operand 7 states. [2018-09-30 20:20:05,471 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-09-30 20:20:06,671 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-09-30 20:20:08,331 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-09-30 20:20:09,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:09,545 INFO L93 Difference]: Finished difference Result 4087 states and 5237 transitions. [2018-09-30 20:20:09,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-09-30 20:20:09,545 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2018-09-30 20:20:09,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:09,555 INFO L225 Difference]: With dead ends: 4087 [2018-09-30 20:20:09,555 INFO L226 Difference]: Without dead ends: 1617 [2018-09-30 20:20:09,558 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2018-09-30 20:20:09,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2018-09-30 20:20:09,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1454. [2018-09-30 20:20:09,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1454 states. [2018-09-30 20:20:09,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 1737 transitions. [2018-09-30 20:20:09,801 INFO L78 Accepts]: Start accepts. Automaton has 1454 states and 1737 transitions. Word has length 36 [2018-09-30 20:20:09,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:09,801 INFO L480 AbstractCegarLoop]: Abstraction has 1454 states and 1737 transitions. [2018-09-30 20:20:09,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-30 20:20:09,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 1737 transitions. [2018-09-30 20:20:09,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 20:20:09,804 INFO L367 BasicCegarLoop]: Found error trace [2018-09-30 20:20:09,806 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2018-09-30 20:20:09,806 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-30 20:20:09,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 20:20:09,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1718966135, now seen corresponding path program 2 times [2018-09-30 20:20:09,807 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-30 20:20:09,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-30 20:20:09,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:09,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-30 20:20:09,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-30 20:20:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 20:20:09,910 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-09-30 20:20:09,911 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-30 20:20:09,911 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-30 20:20:09,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-30 20:20:09,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-30 20:20:09,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:09,912 INFO L87 Difference]: Start difference. First operand 1454 states and 1737 transitions. Second operand 3 states. [2018-09-30 20:20:09,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-30 20:20:09,948 INFO L93 Difference]: Finished difference Result 1464 states and 1748 transitions. [2018-09-30 20:20:09,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-30 20:20:09,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-09-30 20:20:09,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-30 20:20:09,949 INFO L225 Difference]: With dead ends: 1464 [2018-09-30 20:20:09,949 INFO L226 Difference]: Without dead ends: 0 [2018-09-30 20:20:09,951 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-30 20:20:09,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-30 20:20:09,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-30 20:20:09,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-30 20:20:09,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-30 20:20:09,952 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-09-30 20:20:09,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-30 20:20:09,952 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-30 20:20:09,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-30 20:20:09,954 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-30 20:20:09,954 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-30 20:20:09,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-30 20:20:10,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,219 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 56 [2018-09-30 20:20:10,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:10,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-09-30 20:20:11,674 WARN L178 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-09-30 20:20:11,905 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-09-30 20:20:12,755 WARN L178 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-09-30 20:20:13,013 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2018-09-30 20:20:13,272 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-09-30 20:20:13,629 WARN L178 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2018-09-30 20:20:13,917 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-09-30 20:20:14,273 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2018-09-30 20:20:14,596 WARN L178 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2018-09-30 20:20:14,716 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-09-30 20:20:14,894 INFO L422 ceAbstractionStarter]: At program point L440(lines 440 450) the Hoare annotation is: (let ((.cse0 (<= ~send3 127)) (.cse1 (<= 1 ~mode4)) (.cse3 (<= ~mode4 1)) (.cse4 (not (= ~p3_new ~nomsg))) (.cse5 (= 0 (+ ~nomsg 1))) (.cse6 (<= 0 ~send3))) (or (and .cse0 .cse1 (exists ((v_~r1_9 Int)) (let ((.cse2 (mod v_~r1_9 256))) (and (= (+ .cse2 1) ~r1) (<= .cse2 0)))) .cse3 .cse4 .cse5 .cse6 (not (= ~p3_old ~nomsg))) (and .cse0 .cse1 .cse3 .cse4 .cse5 (<= ~r1 (* 256 (div ~r1 256))) .cse6))) [2018-09-30 20:20:14,894 INFO L422 ceAbstractionStarter]: At program point L374(lines 374 384) the Hoare annotation is: (let ((.cse0 (<= ~send3 127)) (.cse1 (= 0 (+ ~nomsg 1))) (.cse2 (<= 0 ~send3))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) (= ~mode3 (* 256 (div ~mode3 256))) .cse0 .cse1 (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256))) .cse2) (and .cse0 (<= 1 ~mode4) (<= ~mode4 1) .cse1 .cse2 (not (= ~p3_old ~nomsg))))) [2018-09-30 20:20:14,895 INFO L422 ceAbstractionStarter]: At program point L457(lines 449 458) the Hoare annotation is: (let ((.cse0 (<= ~send3 127)) (.cse1 (<= 1 ~mode4)) (.cse3 (<= ~mode4 1)) (.cse4 (not (= ~p3_new ~nomsg))) (.cse5 (= 0 (+ ~nomsg 1))) (.cse6 (<= 0 ~send3))) (or (and .cse0 .cse1 (exists ((v_~r1_9 Int)) (let ((.cse2 (mod v_~r1_9 256))) (and (= (+ .cse2 1) ~r1) (<= .cse2 0)))) .cse3 .cse4 .cse5 .cse6 (not (= ~p3_old ~nomsg))) (and .cse0 .cse1 .cse3 .cse4 .cse5 (<= ~r1 (* 256 (div ~r1 256))) .cse6))) [2018-09-30 20:20:14,895 INFO L422 ceAbstractionStarter]: At program point L391(lines 383 392) the Hoare annotation is: (let ((.cse6 (<= 1 ~mode4)) (.cse7 (<= ~mode4 1)) (.cse9 (= ~mode5 (* 256 (div ~mode5 256)))) (.cse0 (<= ~send3 127)) (.cse2 (not (= ~p3_new ~nomsg))) (.cse3 (= 0 (+ ~nomsg 1))) (.cse8 (<= ~r1 (* 256 (div ~r1 256)))) (.cse4 (<= 0 ~send3)) (.cse5 (not (= ~p3_old ~nomsg)))) (or (and .cse0 (exists ((v_~r1_9 Int)) (let ((.cse1 (mod v_~r1_9 256))) (and (= (+ .cse1 1) ~r1) (<= .cse1 0)))) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_assert_~arg 1) .cse2 (<= 1 ULTIMATE.start_check_~tmp~132) .cse3 .cse8 .cse4 .cse5) (and .cse0 .cse6 (= ~mode3 (* 256 (div ~mode3 256))) .cse7 .cse3 .cse4 .cse5) (and .cse9 .cse0 .cse2 .cse3 .cse8 (= ~mode4 (* 256 (div ~mode4 256))) .cse4) (and .cse9 .cse0 .cse2 .cse3 .cse8 .cse4 .cse5))) [2018-09-30 20:20:14,895 INFO L422 ceAbstractionStarter]: At program point L511(lines 511 515) the Hoare annotation is: false [2018-09-30 20:20:14,895 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 96 517) no Hoare annotation was computed. [2018-09-30 20:20:14,895 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 96 517) no Hoare annotation was computed. [2018-09-30 20:20:14,896 INFO L422 ceAbstractionStarter]: At program point L495(lines 490 496) the Hoare annotation is: (and (<= ~send3 127) (<= 1 ~mode4) (<= ~mode4 1) (<= 1 ULTIMATE.start_check_~tmp~132) (= 0 (+ ~nomsg 1)) (<= 0 ~send3) (not (= ~p3_old ~nomsg))) [2018-09-30 20:20:14,896 INFO L422 ceAbstractionStarter]: At program point L396(lines 396 406) the Hoare annotation is: (let ((.cse6 (<= 1 ~mode4)) (.cse7 (<= ~mode4 1)) (.cse9 (= ~mode5 (* 256 (div ~mode5 256)))) (.cse0 (<= ~send3 127)) (.cse2 (not (= ~p3_new ~nomsg))) (.cse3 (= 0 (+ ~nomsg 1))) (.cse8 (<= ~r1 (* 256 (div ~r1 256)))) (.cse4 (<= 0 ~send3)) (.cse5 (not (= ~p3_old ~nomsg)))) (or (and .cse0 (exists ((v_~r1_9 Int)) (let ((.cse1 (mod v_~r1_9 256))) (and (= (+ .cse1 1) ~r1) (<= .cse1 0)))) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_assert_~arg 1) .cse2 (<= 1 ULTIMATE.start_check_~tmp~132) .cse3 .cse8 .cse4 .cse5) (and .cse0 .cse6 (= ~mode3 (* 256 (div ~mode3 256))) .cse7 .cse3 .cse4 .cse5) (and .cse9 .cse0 .cse2 .cse3 .cse8 (= ~mode4 (* 256 (div ~mode4 256))) .cse4) (and .cse9 .cse0 .cse2 .cse3 .cse8 .cse4 .cse5))) [2018-09-30 20:20:14,896 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 96 517) no Hoare annotation was computed. [2018-09-30 20:20:14,896 INFO L422 ceAbstractionStarter]: At program point L413(lines 405 414) the Hoare annotation is: (let ((.cse7 (not (= ~p3_old ~nomsg))) (.cse0 (<= ~send3 127)) (.cse1 (<= 1 ~mode4)) (.cse3 (<= ~mode4 1)) (.cse4 (not (= ~p3_new ~nomsg))) (.cse5 (= 0 (+ ~nomsg 1))) (.cse8 (<= ~r1 (* 256 (div ~r1 256)))) (.cse6 (<= 0 ~send3))) (or (and .cse0 .cse1 (exists ((v_~r1_9 Int)) (let ((.cse2 (mod v_~r1_9 256))) (and (= (+ .cse2 1) ~r1) (<= .cse2 0)))) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 (= ULTIMATE.start_assert_~arg 1) .cse3 .cse4 (<= 1 ULTIMATE.start_check_~tmp~132) .cse5 .cse8 .cse6 .cse7) (and (= ~mode5 (* 256 (div ~mode5 256))) .cse0 .cse1 .cse3 .cse4 .cse5 .cse8 .cse6))) [2018-09-30 20:20:14,896 INFO L422 ceAbstractionStarter]: At program point L347(lines 339 348) the Hoare annotation is: (let ((.cse0 (<= ~send3 127)) (.cse1 (= 0 (+ ~nomsg 1))) (.cse2 (<= 0 ~send3))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) (= ~mode3 (* 256 (div ~mode3 256))) .cse0 .cse1 (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256))) .cse2) (and .cse0 (<= 1 ~mode4) (<= ~mode4 1) .cse1 .cse2 (not (= ~p3_old ~nomsg))))) [2018-09-30 20:20:14,897 INFO L422 ceAbstractionStarter]: At program point L475(lines 475 481) the Hoare annotation is: (let ((.cse0 (<= ~send3 127)) (.cse1 (<= 1 ~mode4)) (.cse2 (<= ~mode4 1)) (.cse3 (= 0 (+ ~nomsg 1))) (.cse4 (<= 0 ~send3)) (.cse5 (not (= ~p3_old ~nomsg)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ~r1 (* 256 (div ~r1 256))) .cse4 .cse5) (and .cse0 .cse1 (exists ((v_~r1_9 Int)) (let ((.cse6 (mod v_~r1_9 256))) (and (= (+ .cse6 1) ~r1) (<= .cse6 0)))) .cse2 .cse3 .cse4 .cse5))) [2018-09-30 20:20:14,897 INFO L422 ceAbstractionStarter]: At program point L484(lines 480 491) the Hoare annotation is: (let ((.cse0 (<= ~send3 127)) (.cse1 (<= 1 ~mode4)) (.cse2 (<= ~mode4 1)) (.cse3 (= 0 (+ ~nomsg 1))) (.cse4 (<= 0 ~send3)) (.cse5 (not (= ~p3_old ~nomsg)))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ~r1 (* 256 (div ~r1 256))) .cse4 .cse5) (and .cse0 .cse1 (exists ((v_~r1_9 Int)) (let ((.cse6 (mod v_~r1_9 256))) (and (= (+ .cse6 1) ~r1) (<= .cse6 0)))) .cse2 .cse3 .cse4 .cse5))) [2018-09-30 20:20:14,897 INFO L422 ceAbstractionStarter]: At program point L418(lines 418 428) the Hoare annotation is: (let ((.cse7 (not (= ~p3_old ~nomsg))) (.cse0 (<= ~send3 127)) (.cse1 (<= 1 ~mode4)) (.cse3 (<= ~mode4 1)) (.cse4 (not (= ~p3_new ~nomsg))) (.cse5 (= 0 (+ ~nomsg 1))) (.cse8 (<= ~r1 (* 256 (div ~r1 256)))) (.cse6 (<= 0 ~send3))) (or (and .cse0 .cse1 (exists ((v_~r1_9 Int)) (let ((.cse2 (mod v_~r1_9 256))) (and (= (+ .cse2 1) ~r1) (<= .cse2 0)))) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 (= ULTIMATE.start_assert_~arg 1) .cse3 .cse4 (<= 1 ULTIMATE.start_check_~tmp~132) .cse5 .cse8 .cse6 .cse7) (and (= ~mode5 (* 256 (div ~mode5 256))) .cse0 .cse1 .cse3 .cse4 .cse5 .cse8 .cse6))) [2018-09-30 20:20:14,898 INFO L422 ceAbstractionStarter]: At program point L352(lines 352 362) the Hoare annotation is: (let ((.cse0 (<= ~send3 127)) (.cse1 (= 0 (+ ~nomsg 1))) (.cse2 (<= 0 ~send3))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) (= ~mode3 (* 256 (div ~mode3 256))) .cse0 .cse1 (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256))) .cse2) (and .cse0 (<= 1 ~mode4) (<= ~mode4 1) .cse1 .cse2 (not (= ~p3_old ~nomsg))))) [2018-09-30 20:20:14,898 INFO L422 ceAbstractionStarter]: At program point L505(lines 505 512) the Hoare annotation is: (and (<= ~send3 127) (<= 1 ~mode4) (= ULTIMATE.start_assert_~arg 1) (<= ~mode4 1) (<= 1 ULTIMATE.start_check_~tmp~132) (= 0 (+ ~nomsg 1)) (<= 0 ~send3) (not (= ~p3_old ~nomsg))) [2018-09-30 20:20:14,898 INFO L422 ceAbstractionStarter]: At program point L435(lines 427 436) the Hoare annotation is: (let ((.cse0 (<= ~send3 127)) (.cse1 (<= 1 ~mode4)) (.cse3 (<= ~mode4 1)) (.cse4 (not (= ~p3_new ~nomsg))) (.cse5 (= 0 (+ ~nomsg 1))) (.cse6 (<= 0 ~send3))) (or (and .cse0 .cse1 (exists ((v_~r1_9 Int)) (let ((.cse2 (mod v_~r1_9 256))) (and (= (+ .cse2 1) ~r1) (<= .cse2 0)))) .cse3 .cse4 .cse5 .cse6 (not (= ~p3_old ~nomsg))) (and .cse0 .cse1 .cse3 .cse4 .cse5 (<= ~r1 (* 256 (div ~r1 256))) .cse6))) [2018-09-30 20:20:14,898 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 516) no Hoare annotation was computed. [2018-09-30 20:20:14,898 INFO L422 ceAbstractionStarter]: At program point L369(lines 361 370) the Hoare annotation is: (let ((.cse0 (<= ~send3 127)) (.cse1 (= 0 (+ ~nomsg 1))) (.cse2 (<= 0 ~send3))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) (= ~mode3 (* 256 (div ~mode3 256))) .cse0 .cse1 (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256))) .cse2) (and .cse0 (<= 1 ~mode4) (<= ~mode4 1) .cse1 .cse2 (not (= ~p3_old ~nomsg))))) [2018-09-30 20:20:14,899 INFO L422 ceAbstractionStarter]: At program point L328(lines 328 340) the Hoare annotation is: (let ((.cse0 (<= ~send3 127)) (.cse1 (= 0 (+ ~nomsg 1))) (.cse2 (<= 0 ~send3))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) .cse0 (= ~mode3 (* 256 (div ~mode3 256))) (= ~mode1 (* 256 (div ~mode1 256))) .cse1 (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256))) .cse2) (and .cse0 (<= 1 ~mode4) (<= ~mode4 1) .cse1 .cse2 (not (= ~p3_old ~nomsg))))) [2018-09-30 20:20:14,899 INFO L422 ceAbstractionStarter]: At program point L514(lines 321 514) the Hoare annotation is: (let ((.cse0 (<= ~send3 127)) (.cse1 (= 0 (+ ~nomsg 1))) (.cse2 (<= 0 ~send3))) (or (and (= ~mode5 (* 256 (div ~mode5 256))) .cse0 (= ~mode3 (* 256 (div ~mode3 256))) (= ~mode1 (* 256 (div ~mode1 256))) .cse1 (<= ~r1 (* 256 (div ~r1 256))) (= ~mode4 (* 256 (div ~mode4 256))) .cse2) (and .cse0 (<= 1 ~mode4) (<= ~mode4 1) .cse1 .cse2 (not (= ~p3_old ~nomsg))))) [2018-09-30 20:20:14,907 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,908 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,913 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,914 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,916 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,916 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,918 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,918 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,921 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,921 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,923 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,923 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,926 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,926 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,928 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,928 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,931 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,931 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,932 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,933 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,934 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,934 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,935 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,935 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,938 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,938 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,941 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,942 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,944 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,944 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,946 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,946 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,948 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,948 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,949 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,949 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,952 INFO L202 PluginConnector]: Adding new model pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 08:20:14 BoogieIcfgContainer [2018-09-30 20:20:14,952 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-30 20:20:14,953 INFO L168 Benchmark]: Toolchain (without parser) took 14870.75 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 162.0 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -68.8 MB). Peak memory consumption was 616.3 MB. Max. memory is 7.1 GB. [2018-09-30 20:20:14,954 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 20:20:14,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.91 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 20:20:14,955 INFO L168 Benchmark]: Boogie Preprocessor took 39.16 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 20:20:14,956 INFO L168 Benchmark]: RCFGBuilder took 747.07 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-09-30 20:20:14,956 INFO L168 Benchmark]: TraceAbstraction took 14028.12 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 162.0 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -111.1 MB). Peak memory consumption was 574.0 MB. Max. memory is 7.1 GB. [2018-09-30 20:20:14,960 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 0.21 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 49.91 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 39.16 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 747.07 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14028.12 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 162.0 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -111.1 MB). Peak memory consumption was 574.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 480]: Loop Invariant [2018-09-30 20:20:14,977 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,978 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,978 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,979 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: ((((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) && !(~p3_old == ~nomsg)) || ((((((~send3 <= 127 && 1 <= ~mode4) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && ~mode4 <= 1) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: ((((((~send3 <= 127 && 1 <= ~mode4) && assert_~arg == 1) && ~mode4 <= 1) && 1 <= check_~tmp~132) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg) - InvariantResult [Line: 440]: Loop Invariant [2018-09-30 20:20:14,980 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,980 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,985 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,986 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: (((((((~send3 <= 127 && 1 <= ~mode4) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) || ((((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (((((((~mode5 == 256 * (~mode5 / 256) && ~send3 <= 127) && ~mode3 == 256 * (~mode3 / 256)) && ~mode1 == 256 * (~mode1 / 256)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && 0 <= ~send3) || (((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) - InvariantResult [Line: 418]: Loop Invariant [2018-09-30 20:20:14,987 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,988 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,989 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,989 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: ((((((((~send3 <= 127 && 1 <= ~mode4) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) || (((((((((~send3 <= 127 && 1 <= ~mode4) && assert_~arg == 1) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 1 <= check_~tmp~132) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) && !(~p3_old == ~nomsg))) || (((((((~mode5 == 256 * (~mode5 / 256) && ~send3 <= 127) && 1 <= ~mode4) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) - InvariantResult [Line: 396]: Loop Invariant [2018-09-30 20:20:14,990 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,990 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,991 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:14,992 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: (((((((((~send3 <= 127 && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) || ((((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg))) || (((((((~send3 <= 127 && assert_~arg == 1) && !(~p3_new == ~nomsg)) && 1 <= check_~tmp~132) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) && !(~p3_old == ~nomsg))) || ((((((~send3 <= 127 && 1 <= ~mode4) && ~mode3 == 256 * (~mode3 / 256)) && ~mode4 <= 1) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg))) || ((((((~mode5 == 256 * (~mode5 / 256) && ~send3 <= 127) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && 0 <= ~send3)) || ((((((~mode5 == 256 * (~mode5 / 256) && ~send3 <= 127) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) && !(~p3_old == ~nomsg)) - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: ((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && ~send3 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && 0 <= ~send3) || (((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: ((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && ~send3 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && 0 <= ~send3) || (((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 449]: Loop Invariant [2018-09-30 20:20:14,999 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:15,000 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:15,003 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:15,004 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: (((((((~send3 <= 127 && 1 <= ~mode4) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) || ((((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) - InvariantResult [Line: 427]: Loop Invariant [2018-09-30 20:20:15,005 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:15,005 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:15,005 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:15,006 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: (((((((~send3 <= 127 && 1 <= ~mode4) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) || ((((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (((((((~mode5 == 256 * (~mode5 / 256) && ~send3 <= 127) && ~mode3 == 256 * (~mode3 / 256)) && ~mode1 == 256 * (~mode1 / 256)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && 0 <= ~send3) || (((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) - InvariantResult [Line: 405]: Loop Invariant [2018-09-30 20:20:15,008 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:15,008 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:15,009 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:15,009 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: ((((((((~send3 <= 127 && 1 <= ~mode4) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) || (((((((((~send3 <= 127 && 1 <= ~mode4) && assert_~arg == 1) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 1 <= check_~tmp~132) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) && !(~p3_old == ~nomsg))) || (((((((~mode5 == 256 * (~mode5 / 256) && ~send3 <= 127) && 1 <= ~mode4) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) - InvariantResult [Line: 383]: Loop Invariant [2018-09-30 20:20:15,011 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:15,012 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:15,012 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:15,013 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: (((((((((~send3 <= 127 && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) || ((((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg))) || (((((((~send3 <= 127 && assert_~arg == 1) && !(~p3_new == ~nomsg)) && 1 <= check_~tmp~132) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) && !(~p3_old == ~nomsg))) || ((((((~send3 <= 127 && 1 <= ~mode4) && ~mode3 == 256 * (~mode3 / 256)) && ~mode4 <= 1) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg))) || ((((((~mode5 == 256 * (~mode5 / 256) && ~send3 <= 127) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && 0 <= ~send3)) || ((((((~mode5 == 256 * (~mode5 / 256) && ~send3 <= 127) && !(~p3_new == ~nomsg)) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) && !(~p3_old == ~nomsg)) - InvariantResult [Line: 361]: Loop Invariant Derived loop invariant: ((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && ~send3 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && 0 <= ~send3) || (((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: ((((((~mode5 == 256 * (~mode5 / 256) && ~mode3 == 256 * (~mode3 / 256)) && ~send3 <= 127) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && ~mode4 == 256 * (~mode4 / 256)) && 0 <= ~send3) || (((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) - InvariantResult [Line: 475]: Loop Invariant [2018-09-30 20:20:15,014 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:15,014 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:15,015 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-09-30 20:20:15,015 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] Derived loop invariant: ((((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && 0 == ~nomsg + 1) && ~r1 <= 256 * (~r1 / 256)) && 0 <= ~send3) && !(~p3_old == ~nomsg)) || ((((((~send3 <= 127 && 1 <= ~mode4) && (exists v_~r1_9 : int :: v_~r1_9 % 256 + 1 == ~r1 && v_~r1_9 % 256 <= 0)) && ~mode4 <= 1) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg)) - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: (((((~send3 <= 127 && 1 <= ~mode4) && ~mode4 <= 1) && 1 <= check_~tmp~132) && 0 == ~nomsg + 1) && 0 <= ~send3) && !(~p3_old == ~nomsg) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 22 locations, 1 error locations. SAFE Result, 13.9s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 5.6s AutomataDifference, 0.0s DeadEndRemovalTime, 4.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 356 SDtfs, 297 SDslu, 258 SDs, 0 SdLazy, 296 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1765occurred in iteration=8, 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: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 327 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 18 PreInvPairs, 738 NumberOfFragments, 1408 HoareAnnotationTreeSize, 18 FomulaSimplifications, 41599 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 18 FomulaSimplificationsInter, 105 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 345 NumberOfCodeBlocks, 345 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 334 ConstructedInterpolants, 12 QuantifiedInterpolants, 42481 SizeOfPredicates, 1 NumberOfNonLiveVariables, 354 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 167/187 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.6.ufo.UNBOUNDED.pals.c_23.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-30_20-20-15-030.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-30_20-20-15-030.csv Received shutdown request...