java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-4eac566 [2018-09-23 19:43:57,972 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 19:43:57,974 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 19:43:57,988 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-23 19:43:57,988 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-23 19:43:57,989 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-23 19:43:57,991 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-23 19:43:57,994 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-23 19:43:57,997 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-23 19:43:57,998 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-23 19:43:57,999 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-09-23 19:43:58,044 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 [2018-09-23 19:43:58,075 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 19:43:58,076 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 19:43:58,076 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 19:43:58,077 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 19:43:58,077 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 19:43:58,081 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 19:43:58,081 INFO L133 SettingsManager]: * Use SBE=true [2018-09-23 19:43:58,081 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 19:43:58,081 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 19:43:58,081 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 19:43:58,082 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 19:43:58,082 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 19:43:58,082 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 19:43:58,082 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 19:43:58,083 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 19:43:58,083 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 19:43:58,083 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 19:43:58,083 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 19:43:58,084 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 19:43:58,084 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-23 19:43:58,084 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 19:43:58,084 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-23 19:43:58,084 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-23 19:43:58,086 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 19:43:58,086 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 19:43:58,086 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 19:43:58,086 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-23 19:43:58,086 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 19:43:58,087 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 19:43:58,087 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 19:43:58,157 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 19:43:58,173 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 19:43:58,180 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 19:43:58,182 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-23 19:43:58,182 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-23 19:43:58,183 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl [2018-09-23 19:43:58,183 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl' [2018-09-23 19:43:58,264 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 19:43:58,267 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-23 19:43:58,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-23 19:43:58,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-23 19:43:58,268 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-23 19:43:58,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:43:58" (1/1) ... [2018-09-23 19:43:58,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:43:58" (1/1) ... [2018-09-23 19:43:58,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-23 19:43:58,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 19:43:58,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 19:43:58,314 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 19:43:58,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:43:58" (1/1) ... [2018-09-23 19:43:58,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:43:58" (1/1) ... [2018-09-23 19:43:58,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:43:58" (1/1) ... [2018-09-23 19:43:58,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:43:58" (1/1) ... [2018-09-23 19:43:58,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:43:58" (1/1) ... [2018-09-23 19:43:58,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:43:58" (1/1) ... [2018-09-23 19:43:58,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:43:58" (1/1) ... [2018-09-23 19:43:58,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 19:43:58,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-23 19:43:58,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-23 19:43:58,368 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-23 19:43:58,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:43:58" (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 [2018-09-23 19:43:58,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-23 19:43:58,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-23 19:43:59,005 INFO L354 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-23 19:43:59,005 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 07:43:59 BoogieIcfgContainer [2018-09-23 19:43:59,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-23 19:43:59,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-23 19:43:59,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-23 19:43:59,010 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-23 19:43:59,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 07:43:58" (1/2) ... [2018-09-23 19:43:59,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de8bc5f and model type pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 07:43:59, skipping insertion in model container [2018-09-23 19:43:59,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 07:43:59" (2/2) ... [2018-09-23 19:43:59,013 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl [2018-09-23 19:43:59,023 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-23 19:43:59,031 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-23 19:43:59,081 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-23 19:43:59,082 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-23 19:43:59,082 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-23 19:43:59,082 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-23 19:43:59,082 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-23 19:43:59,083 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-23 19:43:59,083 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-23 19:43:59,083 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-23 19:43:59,083 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-23 19:43:59,099 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-09-23 19:43:59,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 19:43:59,106 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:43:59,107 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:43:59,108 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:43:59,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:43:59,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1823027031, now seen corresponding path program 1 times [2018-09-23 19:43:59,117 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:43:59,118 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:43:59,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:43:59,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:43:59,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:43:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:43:59,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:43:59,373 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:43:59,374 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:43:59,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:43:59,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:43:59,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:43:59,392 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2018-09-23 19:43:59,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:43:59,445 INFO L93 Difference]: Finished difference Result 45 states and 62 transitions. [2018-09-23 19:43:59,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:43:59,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-09-23 19:43:59,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:43:59,459 INFO L225 Difference]: With dead ends: 45 [2018-09-23 19:43:59,459 INFO L226 Difference]: Without dead ends: 29 [2018-09-23 19:43:59,463 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 [2018-09-23 19:43:59,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-09-23 19:43:59,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2018-09-23 19:43:59,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-09-23 19:43:59,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2018-09-23 19:43:59,507 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 14 [2018-09-23 19:43:59,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:43:59,507 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2018-09-23 19:43:59,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:43:59,508 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2018-09-23 19:43:59,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 19:43:59,509 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:43:59,509 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:43:59,509 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:43:59,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:43:59,510 INFO L82 PathProgramCache]: Analyzing trace with hash 2081192469, now seen corresponding path program 1 times [2018-09-23 19:43:59,510 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:43:59,510 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:43:59,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:43:59,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:43:59,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:43:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:43:59,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:43:59,627 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:43:59,627 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:43:59,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:43:59,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:43:59,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:43:59,630 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 3 states. [2018-09-23 19:43:59,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:43:59,685 INFO L93 Difference]: Finished difference Result 79 states and 109 transitions. [2018-09-23 19:43:59,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:43:59,686 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-09-23 19:43:59,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:43:59,687 INFO L225 Difference]: With dead ends: 79 [2018-09-23 19:43:59,687 INFO L226 Difference]: Without dead ends: 53 [2018-09-23 19:43:59,689 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 [2018-09-23 19:43:59,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-09-23 19:43:59,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2018-09-23 19:43:59,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-09-23 19:43:59,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 70 transitions. [2018-09-23 19:43:59,713 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 70 transitions. Word has length 14 [2018-09-23 19:43:59,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:43:59,714 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 70 transitions. [2018-09-23 19:43:59,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:43:59,714 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2018-09-23 19:43:59,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 19:43:59,715 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:43:59,715 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:43:59,715 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:43:59,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:43:59,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1271845843, now seen corresponding path program 1 times [2018-09-23 19:43:59,716 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:43:59,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:43:59,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:43:59,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:43:59,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:43:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:43:59,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:43:59,963 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:43:59,963 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-23 19:43:59,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-23 19:43:59,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-23 19:43:59,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-23 19:43:59,965 INFO L87 Difference]: Start difference. First operand 51 states and 70 transitions. Second operand 4 states. [2018-09-23 19:44:00,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:00,193 INFO L93 Difference]: Finished difference Result 109 states and 147 transitions. [2018-09-23 19:44:00,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-23 19:44:00,197 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-09-23 19:44:00,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:00,203 INFO L225 Difference]: With dead ends: 109 [2018-09-23 19:44:00,203 INFO L226 Difference]: Without dead ends: 107 [2018-09-23 19:44:00,205 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-09-23 19:44:00,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-09-23 19:44:00,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 59. [2018-09-23 19:44:00,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-09-23 19:44:00,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 78 transitions. [2018-09-23 19:44:00,244 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 78 transitions. Word has length 14 [2018-09-23 19:44:00,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:00,244 INFO L480 AbstractCegarLoop]: Abstraction has 59 states and 78 transitions. [2018-09-23 19:44:00,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-23 19:44:00,246 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2018-09-23 19:44:00,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 19:44:00,247 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:00,247 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:00,247 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:00,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:00,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1271905425, now seen corresponding path program 1 times [2018-09-23 19:44:00,248 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:00,248 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:00,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:00,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:00,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:00,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:44:00,325 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:44:00,325 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:44:00,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:44:00,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:44:00,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:00,328 INFO L87 Difference]: Start difference. First operand 59 states and 78 transitions. Second operand 3 states. [2018-09-23 19:44:00,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:00,407 INFO L93 Difference]: Finished difference Result 143 states and 190 transitions. [2018-09-23 19:44:00,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:44:00,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-09-23 19:44:00,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:00,412 INFO L225 Difference]: With dead ends: 143 [2018-09-23 19:44:00,412 INFO L226 Difference]: Without dead ends: 85 [2018-09-23 19:44:00,416 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 [2018-09-23 19:44:00,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-09-23 19:44:00,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-09-23 19:44:00,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-09-23 19:44:00,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 111 transitions. [2018-09-23 19:44:00,452 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 111 transitions. Word has length 14 [2018-09-23 19:44:00,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:00,452 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 111 transitions. [2018-09-23 19:44:00,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:44:00,453 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 111 transitions. [2018-09-23 19:44:00,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-23 19:44:00,454 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:00,454 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:00,455 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:00,455 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:00,455 INFO L82 PathProgramCache]: Analyzing trace with hash -602166477, now seen corresponding path program 1 times [2018-09-23 19:44:00,456 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:00,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:00,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:00,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:00,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:00,636 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:44:00,637 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:44:00,637 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:44:00,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:44:00,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:44:00,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:00,639 INFO L87 Difference]: Start difference. First operand 85 states and 111 transitions. Second operand 3 states. [2018-09-23 19:44:00,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:00,721 INFO L93 Difference]: Finished difference Result 249 states and 327 transitions. [2018-09-23 19:44:00,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:44:00,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-09-23 19:44:00,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:00,724 INFO L225 Difference]: With dead ends: 249 [2018-09-23 19:44:00,724 INFO L226 Difference]: Without dead ends: 167 [2018-09-23 19:44:00,725 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 [2018-09-23 19:44:00,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-09-23 19:44:00,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 165. [2018-09-23 19:44:00,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-09-23 19:44:00,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 212 transitions. [2018-09-23 19:44:00,761 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 212 transitions. Word has length 26 [2018-09-23 19:44:00,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:00,761 INFO L480 AbstractCegarLoop]: Abstraction has 165 states and 212 transitions. [2018-09-23 19:44:00,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:44:00,762 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 212 transitions. [2018-09-23 19:44:00,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-23 19:44:00,763 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:00,764 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:00,764 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:00,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:00,764 INFO L82 PathProgramCache]: Analyzing trace with hash -209139467, now seen corresponding path program 1 times [2018-09-23 19:44:00,765 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:00,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:00,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:00,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:00,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:00,901 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:44:00,901 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:44:00,902 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:44:00,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:44:00,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:44:00,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:00,903 INFO L87 Difference]: Start difference. First operand 165 states and 212 transitions. Second operand 3 states. [2018-09-23 19:44:01,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:01,017 INFO L93 Difference]: Finished difference Result 489 states and 630 transitions. [2018-09-23 19:44:01,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:44:01,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-09-23 19:44:01,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:01,021 INFO L225 Difference]: With dead ends: 489 [2018-09-23 19:44:01,021 INFO L226 Difference]: Without dead ends: 327 [2018-09-23 19:44:01,023 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 [2018-09-23 19:44:01,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2018-09-23 19:44:01,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 325. [2018-09-23 19:44:01,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-09-23 19:44:01,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 408 transitions. [2018-09-23 19:44:01,100 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 408 transitions. Word has length 26 [2018-09-23 19:44:01,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:01,100 INFO L480 AbstractCegarLoop]: Abstraction has 325 states and 408 transitions. [2018-09-23 19:44:01,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:44:01,101 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 408 transitions. [2018-09-23 19:44:01,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-23 19:44:01,103 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:01,103 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:01,103 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:01,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:01,104 INFO L82 PathProgramCache]: Analyzing trace with hash -266397769, now seen corresponding path program 1 times [2018-09-23 19:44:01,104 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:01,104 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:01,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:01,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:01,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:01,442 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:44:01,442 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-23 19:44:01,442 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 [2018-09-23 19:44:01,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:01,573 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 19:44:01,989 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 17 [2018-09-23 19:44:02,194 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 19:44:02,229 INFO L313 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-09-23 19:44:02,230 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-09-23 19:44:02,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-09-23 19:44:02,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-09-23 19:44:02,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-09-23 19:44:02,231 INFO L87 Difference]: Start difference. First operand 325 states and 408 transitions. Second operand 7 states. [2018-09-23 19:44:03,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:03,050 INFO L93 Difference]: Finished difference Result 537 states and 678 transitions. [2018-09-23 19:44:03,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-23 19:44:03,052 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-09-23 19:44:03,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:03,054 INFO L225 Difference]: With dead ends: 537 [2018-09-23 19:44:03,054 INFO L226 Difference]: Without dead ends: 311 [2018-09-23 19:44:03,055 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-09-23 19:44:03,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-09-23 19:44:03,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 269. [2018-09-23 19:44:03,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-09-23 19:44:03,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 332 transitions. [2018-09-23 19:44:03,131 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 332 transitions. Word has length 26 [2018-09-23 19:44:03,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:03,131 INFO L480 AbstractCegarLoop]: Abstraction has 269 states and 332 transitions. [2018-09-23 19:44:03,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-09-23 19:44:03,131 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 332 transitions. [2018-09-23 19:44:03,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-23 19:44:03,135 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:03,138 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:03,139 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:03,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:03,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1785005239, now seen corresponding path program 2 times [2018-09-23 19:44:03,139 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:03,139 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:03,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:03,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-23 19:44:03,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:03,214 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-09-23 19:44:03,214 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:44:03,215 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-23 19:44:03,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:44:03,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:44:03,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:03,216 INFO L87 Difference]: Start difference. First operand 269 states and 332 transitions. Second operand 3 states. [2018-09-23 19:44:03,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:03,318 INFO L93 Difference]: Finished difference Result 505 states and 622 transitions. [2018-09-23 19:44:03,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:44:03,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-09-23 19:44:03,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:03,323 INFO L225 Difference]: With dead ends: 505 [2018-09-23 19:44:03,324 INFO L226 Difference]: Without dead ends: 239 [2018-09-23 19:44:03,325 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 [2018-09-23 19:44:03,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-09-23 19:44:03,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 213. [2018-09-23 19:44:03,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-09-23 19:44:03,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 252 transitions. [2018-09-23 19:44:03,374 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 252 transitions. Word has length 26 [2018-09-23 19:44:03,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:03,375 INFO L480 AbstractCegarLoop]: Abstraction has 213 states and 252 transitions. [2018-09-23 19:44:03,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:44:03,375 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 252 transitions. [2018-09-23 19:44:03,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-23 19:44:03,376 INFO L367 BasicCegarLoop]: Found error trace [2018-09-23 19:44:03,377 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-23 19:44:03,377 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-23 19:44:03,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 19:44:03,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1148384469, now seen corresponding path program 3 times [2018-09-23 19:44:03,378 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-23 19:44:03,378 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-23 19:44:03,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:03,379 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-09-23 19:44:03,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-23 19:44:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 19:44:03,518 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-09-23 19:44:03,519 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-23 19:44:03,519 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-23 19:44:03,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-23 19:44:03,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-23 19:44:03,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-23 19:44:03,520 INFO L87 Difference]: Start difference. First operand 213 states and 252 transitions. Second operand 3 states. [2018-09-23 19:44:03,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-23 19:44:03,540 INFO L93 Difference]: Finished difference Result 235 states and 275 transitions. [2018-09-23 19:44:03,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-23 19:44:03,547 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-09-23 19:44:03,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-23 19:44:03,547 INFO L225 Difference]: With dead ends: 235 [2018-09-23 19:44:03,547 INFO L226 Difference]: Without dead ends: 0 [2018-09-23 19:44:03,548 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 [2018-09-23 19:44:03,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-23 19:44:03,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-23 19:44:03,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-23 19:44:03,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-23 19:44:03,549 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-09-23 19:44:03,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-23 19:44:03,550 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-23 19:44:03,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-23 19:44:03,550 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-23 19:44:03,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-23 19:44:03,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-23 19:44:04,025 WARN L178 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-09-23 19:44:04,322 WARN L178 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-09-23 19:44:04,628 WARN L178 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2018-09-23 19:44:04,849 INFO L422 ceAbstractionStarter]: At program point L353(lines 353 360) the Hoare annotation is: (and (<= ~r1 0) (<= 1 ~mode4) (<= 1 ~mode1) (<= 0 ~send4) (<= ~mode1 1) (<= ~send4 127) (<= ~mode4 1) (exists ((v_prenex_1 Int)) (let ((.cse0 (mod v_prenex_1 256))) (and (<= .cse0 127) (<= v_prenex_1 127) (= .cse0 ~p4_old) (<= 0 v_prenex_1)))) (= 0 (+ ~nomsg 1))) [2018-09-23 19:44:04,849 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 74 389) no Hoare annotation was computed. [2018-09-23 19:44:04,850 INFO L422 ceAbstractionStarter]: At program point L316(lines 310 317) the Hoare annotation is: (and (<= ~r1 0) (<= 1 ~mode1) (<= 0 ~send4) (<= ~mode1 1) (<= ~send4 127) (= 0 (+ ~nomsg 1)) (= ~mode4 (* 256 (div ~mode4 256)))) [2018-09-23 19:44:04,850 INFO L422 ceAbstractionStarter]: At program point L380(lines 380 387) the Hoare annotation is: false [2018-09-23 19:44:04,850 INFO L422 ceAbstractionStarter]: At program point L281(lines 281 291) the Hoare annotation is: (and (<= ~r1 0) (= ~mode3 (* 256 (div ~mode3 256))) (<= 1 ~mode1) (<= 0 ~send4) (<= ~mode1 1) (<= ~send4 127) (= 0 (+ ~nomsg 1)) (= ~mode4 (* 256 (div ~mode4 256)))) [2018-09-23 19:44:04,850 INFO L422 ceAbstractionStarter]: At program point L374(lines 374 381) the Hoare annotation is: (and (<= ULTIMATE.start_assert_~arg 1) (<= ULTIMATE.start_check_~tmp~100 1) (<= 1 ~mode4) (<= 0 ~send4) (= 0 (+ ~nomsg 1)) (<= ~r1 0) (<= 1 ~mode1) (<= ~mode1 1) (<= ~send4 127) (<= ~mode4 1) (exists ((v_prenex_1 Int)) (let ((.cse0 (mod v_prenex_1 256))) (and (<= .cse0 127) (<= v_prenex_1 127) (= .cse0 ~p4_old) (<= 0 v_prenex_1)))) (<= 1 ULTIMATE.start_assert_~arg) (<= 1 ULTIMATE.start_check_~tmp~100)) [2018-09-23 19:44:04,850 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 388) no Hoare annotation was computed. [2018-09-23 19:44:04,851 INFO L422 ceAbstractionStarter]: At program point L339(lines 330 340) the Hoare annotation is: (and (<= ~r1 0) (<= 1 ~mode4) (<= 1 ~mode1) (exists ((v_prenex_1 Int)) (let ((.cse0 (mod v_prenex_1 256))) (and (= ~p4_new .cse0) (<= .cse0 127) (<= v_prenex_1 127) (<= 0 v_prenex_1)))) (<= 0 ~send4) (<= ~mode1 1) (<= ~send4 127) (<= ~mode4 1) (= 0 (+ ~nomsg 1))) [2018-09-23 19:44:04,851 INFO L422 ceAbstractionStarter]: At program point L364(lines 359 365) the Hoare annotation is: (and (<= ~r1 0) (<= ULTIMATE.start_check_~tmp~100 1) (<= 1 ~mode4) (<= 1 ~mode1) (<= 0 ~send4) (<= ~mode1 1) (<= ~send4 127) (<= ~mode4 1) (exists ((v_prenex_1 Int)) (let ((.cse0 (mod v_prenex_1 256))) (and (<= .cse0 127) (<= v_prenex_1 127) (= .cse0 ~p4_old) (<= 0 v_prenex_1)))) (= 0 (+ ~nomsg 1)) (<= 1 ULTIMATE.start_check_~tmp~100)) [2018-09-23 19:44:04,851 INFO L422 ceAbstractionStarter]: At program point L296(lines 290 297) the Hoare annotation is: (and (<= ~r1 0) (= ~mode3 (* 256 (div ~mode3 256))) (<= 1 ~mode1) (<= 0 ~send4) (<= ~mode1 1) (<= ~send4 127) (= 0 (+ ~nomsg 1)) (= ~mode4 (* 256 (div ~mode4 256)))) [2018-09-23 19:44:04,852 INFO L422 ceAbstractionStarter]: At program point L261(lines 261 272) the Hoare annotation is: (let ((.cse0 (<= ~r1 0)) (.cse1 (<= 0 ~send4)) (.cse2 (<= ~send4 127)) (.cse3 (= 0 (+ ~nomsg 1)))) (or (and .cse0 (= ~mode3 (* 256 (div ~mode3 256))) (= ~mode1 (* 256 (div ~mode1 256))) .cse1 .cse2 .cse3 (= ~mode4 (* 256 (div ~mode4 256)))) (and .cse0 (<= 1 ~mode4) (<= 1 ~mode1) .cse1 (<= ~mode1 1) .cse2 (<= ~mode4 1) (exists ((v_prenex_1 Int)) (let ((.cse4 (mod v_prenex_1 256))) (and (<= .cse4 127) (<= v_prenex_1 127) (= .cse4 ~p4_old) (<= 0 v_prenex_1)))) .cse3))) [2018-09-23 19:44:04,852 INFO L422 ceAbstractionStarter]: At program point L321(lines 321 331) the Hoare annotation is: (and (<= ~r1 0) (<= 1 ~mode1) (<= 0 ~send4) (<= ~mode1 1) (<= ~send4 127) (= 0 (+ ~nomsg 1)) (= ~mode4 (* 256 (div ~mode4 256)))) [2018-09-23 19:44:04,852 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 74 389) no Hoare annotation was computed. [2018-09-23 19:44:04,852 INFO L426 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 74 389) no Hoare annotation was computed. [2018-09-23 19:44:04,852 INFO L422 ceAbstractionStarter]: At program point L276(lines 271 277) the Hoare annotation is: (and (<= ~r1 0) (= ~mode3 (* 256 (div ~mode3 256))) (<= 1 ~mode1) (<= 0 ~send4) (<= ~mode1 1) (<= ~send4 127) (= 0 (+ ~nomsg 1)) (= ~mode4 (* 256 (div ~mode4 256)))) [2018-09-23 19:44:04,852 INFO L422 ceAbstractionStarter]: At program point L301(lines 301 311) the Hoare annotation is: (and (<= ~r1 0) (= ~mode3 (* 256 (div ~mode3 256))) (<= 1 ~mode1) (<= 0 ~send4) (<= ~mode1 1) (<= ~send4 127) (= 0 (+ ~nomsg 1)) (= ~mode4 (* 256 (div ~mode4 256)))) [2018-09-23 19:44:04,853 INFO L422 ceAbstractionStarter]: At program point L386(lines 254 386) the Hoare annotation is: (let ((.cse0 (<= ~r1 0)) (.cse1 (<= 0 ~send4)) (.cse2 (<= ~send4 127)) (.cse3 (= 0 (+ ~nomsg 1)))) (or (and .cse0 (= ~mode3 (* 256 (div ~mode3 256))) (= ~mode1 (* 256 (div ~mode1 256))) .cse1 .cse2 .cse3 (= ~mode4 (* 256 (div ~mode4 256)))) (and .cse0 (<= 1 ~mode4) (<= 1 ~mode1) .cse1 (<= ~mode1 1) .cse2 (<= ~mode4 1) (exists ((v_prenex_1 Int)) (let ((.cse4 (mod v_prenex_1 256))) (and (<= .cse4 127) (<= v_prenex_1 127) (= .cse4 ~p4_old) (<= 0 v_prenex_1)))) .cse3))) [2018-09-23 19:44:04,859 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,860 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,861 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,861 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,868 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,869 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,869 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,869 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,872 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,872 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,872 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,873 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,875 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,875 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,875 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,875 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,877 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,877 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,878 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,878 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,879 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,879 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,880 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,880 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,882 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,882 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,882 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,883 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,886 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,886 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,886 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,887 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,891 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,891 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,892 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,892 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,893 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,893 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,894 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,894 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,901 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,902 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,902 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,902 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,903 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,906 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,907 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,907 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,911 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 07:44:04 BoogieIcfgContainer [2018-09-23 19:44:04,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-23 19:44:04,915 INFO L168 Benchmark]: Toolchain (without parser) took 6650.31 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 357.3 MB). Peak memory consumption was 357.3 MB. Max. memory is 7.1 GB. [2018-09-23 19:44:04,916 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-09-23 19:44:04,919 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.42 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. [2018-09-23 19:44:04,919 INFO L168 Benchmark]: Boogie Preprocessor took 53.93 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. [2018-09-23 19:44:04,920 INFO L168 Benchmark]: RCFGBuilder took 637.92 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: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. [2018-09-23 19:44:04,923 INFO L168 Benchmark]: TraceAbstraction took 5904.15 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 317.1 MB). Peak memory consumption was 317.1 MB. Max. memory is 7.1 GB. [2018-09-23 19:44:04,929 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 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.42 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 53.93 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 637.92 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: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5904.15 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 317.1 MB). Peak memory consumption was 317.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 388]: 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: 261]: Loop Invariant [2018-09-23 19:44:04,955 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,955 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,955 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,955 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,958 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,959 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,959 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,959 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: ((((((~r1 <= 0 && ~mode3 == 256 * (~mode3 / 256)) && ~mode1 == 256 * (~mode1 / 256)) && 0 <= ~send4) && ~send4 <= 127) && 0 == ~nomsg + 1) && ~mode4 == 256 * (~mode4 / 256)) || ((((((((~r1 <= 0 && 1 <= ~mode4) && 1 <= ~mode1) && 0 <= ~send4) && ~mode1 <= 1) && ~send4 <= 127) && ~mode4 <= 1) && (exists v_prenex_1 : int :: ((v_prenex_1 % 256 <= 127 && v_prenex_1 <= 127) && v_prenex_1 % 256 == ~p4_old) && 0 <= v_prenex_1)) && 0 == ~nomsg + 1) - InvariantResult [Line: 254]: Loop Invariant [2018-09-23 19:44:04,962 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,962 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,963 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,963 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,964 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,964 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,964 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,964 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: ((((((~r1 <= 0 && ~mode3 == 256 * (~mode3 / 256)) && ~mode1 == 256 * (~mode1 / 256)) && 0 <= ~send4) && ~send4 <= 127) && 0 == ~nomsg + 1) && ~mode4 == 256 * (~mode4 / 256)) || ((((((((~r1 <= 0 && 1 <= ~mode4) && 1 <= ~mode1) && 0 <= ~send4) && ~mode1 <= 1) && ~send4 <= 127) && ~mode4 <= 1) && (exists v_prenex_1 : int :: ((v_prenex_1 % 256 <= 127 && v_prenex_1 <= 127) && v_prenex_1 % 256 == ~p4_old) && 0 <= v_prenex_1)) && 0 == ~nomsg + 1) - InvariantResult [Line: 359]: Loop Invariant [2018-09-23 19:44:04,966 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,966 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,967 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,967 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,971 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,971 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,972 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,972 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: (((((((((~r1 <= 0 && check_~tmp~100 <= 1) && 1 <= ~mode4) && 1 <= ~mode1) && 0 <= ~send4) && ~mode1 <= 1) && ~send4 <= 127) && ~mode4 <= 1) && (exists v_prenex_1 : int :: ((v_prenex_1 % 256 <= 127 && v_prenex_1 <= 127) && v_prenex_1 % 256 == ~p4_old) && 0 <= v_prenex_1)) && 0 == ~nomsg + 1) && 1 <= check_~tmp~100 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (((((~r1 <= 0 && 1 <= ~mode1) && 0 <= ~send4) && ~mode1 <= 1) && ~send4 <= 127) && 0 == ~nomsg + 1) && ~mode4 == 256 * (~mode4 / 256) - InvariantResult [Line: 353]: Loop Invariant [2018-09-23 19:44:04,974 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,976 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,977 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,977 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,978 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,978 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,978 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,978 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: (((((((~r1 <= 0 && 1 <= ~mode4) && 1 <= ~mode1) && 0 <= ~send4) && ~mode1 <= 1) && ~send4 <= 127) && ~mode4 <= 1) && (exists v_prenex_1 : int :: ((v_prenex_1 % 256 <= 127 && v_prenex_1 <= 127) && v_prenex_1 % 256 == ~p4_old) && 0 <= v_prenex_1)) && 0 == ~nomsg + 1 - InvariantResult [Line: 374]: Loop Invariant [2018-09-23 19:44:04,979 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,979 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,980 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,980 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,981 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,981 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,981 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,982 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: (((((((((((assert_~arg <= 1 && check_~tmp~100 <= 1) && 1 <= ~mode4) && 0 <= ~send4) && 0 == ~nomsg + 1) && ~r1 <= 0) && 1 <= ~mode1) && ~mode1 <= 1) && ~send4 <= 127) && ~mode4 <= 1) && (exists v_prenex_1 : int :: ((v_prenex_1 % 256 <= 127 && v_prenex_1 <= 127) && v_prenex_1 % 256 == ~p4_old) && 0 <= v_prenex_1)) && 1 <= assert_~arg) && 1 <= check_~tmp~100 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: ((((((~r1 <= 0 && ~mode3 == 256 * (~mode3 / 256)) && 1 <= ~mode1) && 0 <= ~send4) && ~mode1 <= 1) && ~send4 <= 127) && 0 == ~nomsg + 1) && ~mode4 == 256 * (~mode4 / 256) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: ((((((~r1 <= 0 && ~mode3 == 256 * (~mode3 / 256)) && 1 <= ~mode1) && 0 <= ~send4) && ~mode1 <= 1) && ~send4 <= 127) && 0 == ~nomsg + 1) && ~mode4 == 256 * (~mode4 / 256) - InvariantResult [Line: 330]: Loop Invariant [2018-09-23 19:44:04,985 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,985 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,985 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,985 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,986 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,986 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,987 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2018-09-23 19:44:04,987 WARN L389 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: (((((((~r1 <= 0 && 1 <= ~mode4) && 1 <= ~mode1) && (exists v_prenex_1 : int :: ((~p4_new == v_prenex_1 % 256 && v_prenex_1 % 256 <= 127) && v_prenex_1 <= 127) && 0 <= v_prenex_1)) && 0 <= ~send4) && ~mode1 <= 1) && ~send4 <= 127) && ~mode4 <= 1) && 0 == ~nomsg + 1 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: (((((~r1 <= 0 && 1 <= ~mode1) && 0 <= ~send4) && ~mode1 <= 1) && ~send4 <= 127) && 0 == ~nomsg + 1) && ~mode4 == 256 * (~mode4 / 256) - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: ((((((~r1 <= 0 && ~mode3 == 256 * (~mode3 / 256)) && 1 <= ~mode1) && 0 <= ~send4) && ~mode1 <= 1) && ~send4 <= 127) && 0 == ~nomsg + 1) && ~mode4 == 256 * (~mode4 / 256) - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((((((~r1 <= 0 && ~mode3 == 256 * (~mode3 / 256)) && 1 <= ~mode1) && 0 <= ~send4) && ~mode1 <= 1) && ~send4 <= 127) && 0 == ~nomsg + 1) && ~mode4 == 256 * (~mode4 / 256) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. SAFE Result, 5.7s OverallTime, 9 OverallIterations, 3 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 228 SDtfs, 130 SDslu, 167 SDs, 0 SdLazy, 96 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=325occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 124 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 37 NumberOfFragments, 559 HoareAnnotationTreeSize, 13 FomulaSimplifications, 634 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 58 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 224 NumberOfCodeBlocks, 224 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 214 ConstructedInterpolants, 6 QuantifiedInterpolants, 21974 SizeOfPredicates, 4 NumberOfNonLiveVariables, 249 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 92/96 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-23_19-44-04-994.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c_10.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-23_19-44-04-994.csv Received shutdown request...