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 0.1.23-2eb0a67 [2018-10-03 08:48:46,127 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-03 08:48:46,129 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-03 08:48:46,145 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-03 08:48:46,145 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-03 08:48:46,146 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-03 08:48:46,148 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-03 08:48:46,150 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-03 08:48:46,151 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-03 08:48:46,152 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-03 08:48:46,153 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-10-03 08:48:46,189 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 [2018-10-03 08:48:46,216 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-03 08:48:46,217 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-03 08:48:46,219 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-03 08:48:46,220 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-03 08:48:46,220 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-03 08:48:46,221 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-03 08:48:46,221 INFO L133 SettingsManager]: * Use SBE=true [2018-10-03 08:48:46,221 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-03 08:48:46,221 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-03 08:48:46,221 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-03 08:48:46,222 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-03 08:48:46,224 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-03 08:48:46,224 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-03 08:48:46,224 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-03 08:48:46,224 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-03 08:48:46,225 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-03 08:48:46,225 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-03 08:48:46,225 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-03 08:48:46,225 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-03 08:48:46,225 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-03 08:48:46,226 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-03 08:48:46,226 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-03 08:48:46,226 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-03 08:48:46,226 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-03 08:48:46,228 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-03 08:48:46,228 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-03 08:48:46,228 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-03 08:48:46,228 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-03 08:48:46,228 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-03 08:48:46,229 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-03 08:48:46,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-03 08:48:46,297 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-03 08:48:46,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-03 08:48:46,304 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-03 08:48:46,304 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-03 08:48:46,305 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl [2018-10-03 08:48:46,305 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl' [2018-10-03 08:48:46,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-03 08:48:46,415 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-03 08:48:46,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-03 08:48:46,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-03 08:48:46,417 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-03 08:48:46,437 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 03.10 08:48:46" (1/1) ... [2018-10-03 08:48:46,466 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 03.10 08:48:46" (1/1) ... [2018-10-03 08:48:46,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-03 08:48:46,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-03 08:48:46,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-03 08:48:46,479 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-03 08:48:46,490 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 03.10 08:48:46" (1/1) ... [2018-10-03 08:48:46,491 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 03.10 08:48:46" (1/1) ... [2018-10-03 08:48:46,503 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 03.10 08:48:46" (1/1) ... [2018-10-03 08:48:46,503 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 03.10 08:48:46" (1/1) ... [2018-10-03 08:48:46,523 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 03.10 08:48:46" (1/1) ... [2018-10-03 08:48:46,532 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 03.10 08:48:46" (1/1) ... [2018-10-03 08:48:46,539 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 03.10 08:48:46" (1/1) ... [2018-10-03 08:48:46,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-03 08:48:46,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-03 08:48:46,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-03 08:48:46,548 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-03 08:48:46,554 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 03.10 08:48:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-03 08:48:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-03 08:48:46,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-03 08:48:47,250 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-03 08:48:47,250 INFO L202 PluginConnector]: Adding new model pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 08:48:47 BoogieIcfgContainer [2018-10-03 08:48:47,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-03 08:48:47,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-03 08:48:47,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-03 08:48:47,257 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-03 08:48:47,257 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 03.10 08:48:46" (1/2) ... [2018-10-03 08:48:47,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b74d13 and model type pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 08:48:47, skipping insertion in model container [2018-10-03 08:48:47,261 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 03.10 08:48:47" (2/2) ... [2018-10-03 08:48:47,263 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl [2018-10-03 08:48:47,273 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-03 08:48:47,284 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-03 08:48:47,328 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-03 08:48:47,329 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-03 08:48:47,329 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-03 08:48:47,329 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-03 08:48:47,329 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-03 08:48:47,330 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-03 08:48:47,330 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-03 08:48:47,330 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-03 08:48:47,330 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-03 08:48:47,346 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-10-03 08:48:47,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-03 08:48:47,357 INFO L367 BasicCegarLoop]: Found error trace [2018-10-03 08:48:47,358 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-03 08:48:47,359 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-03 08:48:47,367 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-03 08:48:47,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1242790345, now seen corresponding path program 1 times [2018-10-03 08:48:47,370 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-03 08:48:47,370 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-03 08:48:47,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:48:47,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-03 08:48:47,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:48:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 08:48:47,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 08:48:47,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-03 08:48:47,642 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-03 08:48:47,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-03 08:48:47,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-03 08:48:47,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-03 08:48:47,667 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2018-10-03 08:48:47,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-03 08:48:47,740 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2018-10-03 08:48:47,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-03 08:48:47,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-10-03 08:48:47,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-03 08:48:47,757 INFO L225 Difference]: With dead ends: 60 [2018-10-03 08:48:47,757 INFO L226 Difference]: Without dead ends: 39 [2018-10-03 08:48:47,761 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 [2018-10-03 08:48:47,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-10-03 08:48:47,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2018-10-03 08:48:47,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-10-03 08:48:47,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 53 transitions. [2018-10-03 08:48:47,811 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 53 transitions. Word has length 19 [2018-10-03 08:48:47,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-03 08:48:47,812 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 53 transitions. [2018-10-03 08:48:47,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-03 08:48:47,812 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2018-10-03 08:48:47,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-03 08:48:47,813 INFO L367 BasicCegarLoop]: Found error trace [2018-10-03 08:48:47,813 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-03 08:48:47,814 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-03 08:48:47,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-03 08:48:47,815 INFO L82 PathProgramCache]: Analyzing trace with hash -345557557, now seen corresponding path program 1 times [2018-10-03 08:48:47,815 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-03 08:48:47,815 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-03 08:48:47,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:48:47,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-03 08:48:47,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:48:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 08:48:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 08:48:47,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-03 08:48:47,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-03 08:48:47,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-03 08:48:47,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-03 08:48:47,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-03 08:48:47,994 INFO L87 Difference]: Start difference. First operand 37 states and 53 transitions. Second operand 3 states. [2018-10-03 08:48:48,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-03 08:48:48,047 INFO L93 Difference]: Finished difference Result 109 states and 157 transitions. [2018-10-03 08:48:48,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-03 08:48:48,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-10-03 08:48:48,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-03 08:48:48,049 INFO L225 Difference]: With dead ends: 109 [2018-10-03 08:48:48,050 INFO L226 Difference]: Without dead ends: 73 [2018-10-03 08:48:48,051 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 [2018-10-03 08:48:48,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-10-03 08:48:48,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2018-10-03 08:48:48,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-10-03 08:48:48,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 102 transitions. [2018-10-03 08:48:48,082 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 102 transitions. Word has length 19 [2018-10-03 08:48:48,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-03 08:48:48,082 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 102 transitions. [2018-10-03 08:48:48,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-03 08:48:48,083 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 102 transitions. [2018-10-03 08:48:48,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-03 08:48:48,086 INFO L367 BasicCegarLoop]: Found error trace [2018-10-03 08:48:48,086 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-03 08:48:48,086 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-03 08:48:48,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-03 08:48:48,087 INFO L82 PathProgramCache]: Analyzing trace with hash -932363571, now seen corresponding path program 1 times [2018-10-03 08:48:48,087 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-03 08:48:48,087 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-03 08:48:48,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:48:48,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-03 08:48:48,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:48:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 08:48:48,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 08:48:48,202 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-03 08:48:48,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-03 08:48:48,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-03 08:48:48,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-03 08:48:48,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-03 08:48:48,204 INFO L87 Difference]: Start difference. First operand 71 states and 102 transitions. Second operand 3 states. [2018-10-03 08:48:48,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-03 08:48:48,284 INFO L93 Difference]: Finished difference Result 211 states and 304 transitions. [2018-10-03 08:48:48,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-03 08:48:48,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-10-03 08:48:48,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-03 08:48:48,292 INFO L225 Difference]: With dead ends: 211 [2018-10-03 08:48:48,292 INFO L226 Difference]: Without dead ends: 141 [2018-10-03 08:48:48,296 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 [2018-10-03 08:48:48,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-10-03 08:48:48,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2018-10-03 08:48:48,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-10-03 08:48:48,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 198 transitions. [2018-10-03 08:48:48,352 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 198 transitions. Word has length 19 [2018-10-03 08:48:48,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-03 08:48:48,353 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 198 transitions. [2018-10-03 08:48:48,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-03 08:48:48,353 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 198 transitions. [2018-10-03 08:48:48,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-03 08:48:48,354 INFO L367 BasicCegarLoop]: Found error trace [2018-10-03 08:48:48,354 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-03 08:48:48,355 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-03 08:48:48,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-03 08:48:48,355 INFO L82 PathProgramCache]: Analyzing trace with hash -252305201, now seen corresponding path program 1 times [2018-10-03 08:48:48,356 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-03 08:48:48,356 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-03 08:48:48,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:48:48,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-03 08:48:48,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:48:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 08:48:48,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 08:48:48,516 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-03 08:48:48,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-03 08:48:48,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-03 08:48:48,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-03 08:48:48,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-03 08:48:48,518 INFO L87 Difference]: Start difference. First operand 139 states and 198 transitions. Second operand 3 states. [2018-10-03 08:48:48,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-03 08:48:48,659 INFO L93 Difference]: Finished difference Result 349 states and 498 transitions. [2018-10-03 08:48:48,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-03 08:48:48,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-10-03 08:48:48,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-03 08:48:48,662 INFO L225 Difference]: With dead ends: 349 [2018-10-03 08:48:48,663 INFO L226 Difference]: Without dead ends: 211 [2018-10-03 08:48:48,664 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 [2018-10-03 08:48:48,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-10-03 08:48:48,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 209. [2018-10-03 08:48:48,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-10-03 08:48:48,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 292 transitions. [2018-10-03 08:48:48,703 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 292 transitions. Word has length 19 [2018-10-03 08:48:48,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-03 08:48:48,703 INFO L480 AbstractCegarLoop]: Abstraction has 209 states and 292 transitions. [2018-10-03 08:48:48,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-03 08:48:48,704 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 292 transitions. [2018-10-03 08:48:48,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-03 08:48:48,707 INFO L367 BasicCegarLoop]: Found error trace [2018-10-03 08:48:48,707 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-03 08:48:48,708 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-03 08:48:48,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-03 08:48:48,708 INFO L82 PathProgramCache]: Analyzing trace with hash -250458159, now seen corresponding path program 1 times [2018-10-03 08:48:48,708 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-03 08:48:48,708 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-03 08:48:48,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:48:48,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-03 08:48:48,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:48:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 08:48:48,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 08:48:48,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-03 08:48:48,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-03 08:48:48,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-03 08:48:48,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-03 08:48:48,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-03 08:48:48,859 INFO L87 Difference]: Start difference. First operand 209 states and 292 transitions. Second operand 4 states. [2018-10-03 08:48:49,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-03 08:48:49,059 INFO L93 Difference]: Finished difference Result 377 states and 522 transitions. [2018-10-03 08:48:49,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-03 08:48:49,060 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-10-03 08:48:49,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-03 08:48:49,063 INFO L225 Difference]: With dead ends: 377 [2018-10-03 08:48:49,064 INFO L226 Difference]: Without dead ends: 375 [2018-10-03 08:48:49,064 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 [2018-10-03 08:48:49,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-10-03 08:48:49,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 225. [2018-10-03 08:48:49,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-10-03 08:48:49,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 304 transitions. [2018-10-03 08:48:49,117 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 304 transitions. Word has length 19 [2018-10-03 08:48:49,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-03 08:48:49,117 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 304 transitions. [2018-10-03 08:48:49,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-03 08:48:49,117 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 304 transitions. [2018-10-03 08:48:49,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-03 08:48:49,119 INFO L367 BasicCegarLoop]: Found error trace [2018-10-03 08:48:49,120 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] [2018-10-03 08:48:49,120 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-03 08:48:49,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-03 08:48:49,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1238295361, now seen corresponding path program 1 times [2018-10-03 08:48:49,121 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-03 08:48:49,121 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-03 08:48:49,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:48:49,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-03 08:48:49,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:48:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 08:48:49,305 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 08:48:49,305 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-03 08:48:49,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-03 08:48:49,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-03 08:48:49,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-03 08:48:49,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-03 08:48:49,307 INFO L87 Difference]: Start difference. First operand 225 states and 304 transitions. Second operand 3 states. [2018-10-03 08:48:49,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-03 08:48:49,449 INFO L93 Difference]: Finished difference Result 669 states and 906 transitions. [2018-10-03 08:48:49,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-03 08:48:49,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-10-03 08:48:49,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-03 08:48:49,455 INFO L225 Difference]: With dead ends: 669 [2018-10-03 08:48:49,455 INFO L226 Difference]: Without dead ends: 447 [2018-10-03 08:48:49,460 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 [2018-10-03 08:48:49,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-10-03 08:48:49,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 445. [2018-10-03 08:48:49,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2018-10-03 08:48:49,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 592 transitions. [2018-10-03 08:48:49,547 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 592 transitions. Word has length 36 [2018-10-03 08:48:49,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-03 08:48:49,550 INFO L480 AbstractCegarLoop]: Abstraction has 445 states and 592 transitions. [2018-10-03 08:48:49,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-03 08:48:49,551 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 592 transitions. [2018-10-03 08:48:49,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-03 08:48:49,554 INFO L367 BasicCegarLoop]: Found error trace [2018-10-03 08:48:49,555 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] [2018-10-03 08:48:49,555 INFO L423 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-03 08:48:49,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-03 08:48:49,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1776808257, now seen corresponding path program 1 times [2018-10-03 08:48:49,557 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-03 08:48:49,557 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-03 08:48:49,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:48:49,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-03 08:48:49,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:48:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 08:48:49,751 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 08:48:49,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-03 08:48:49,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-03 08:48:49,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-03 08:48:49,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-03 08:48:49,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-03 08:48:49,753 INFO L87 Difference]: Start difference. First operand 445 states and 592 transitions. Second operand 3 states. [2018-10-03 08:48:50,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-03 08:48:50,048 INFO L93 Difference]: Finished difference Result 1329 states and 1770 transitions. [2018-10-03 08:48:50,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-03 08:48:50,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-10-03 08:48:50,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-03 08:48:50,055 INFO L225 Difference]: With dead ends: 1329 [2018-10-03 08:48:50,055 INFO L226 Difference]: Without dead ends: 887 [2018-10-03 08:48:50,057 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-03 08:48:50,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2018-10-03 08:48:50,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 885. [2018-10-03 08:48:50,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2018-10-03 08:48:50,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1156 transitions. [2018-10-03 08:48:50,194 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1156 transitions. Word has length 36 [2018-10-03 08:48:50,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-03 08:48:50,194 INFO L480 AbstractCegarLoop]: Abstraction has 885 states and 1156 transitions. [2018-10-03 08:48:50,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-03 08:48:50,195 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1156 transitions. [2018-10-03 08:48:50,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-03 08:48:50,198 INFO L367 BasicCegarLoop]: Found error trace [2018-10-03 08:48:50,199 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] [2018-10-03 08:48:50,199 INFO L423 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-03 08:48:50,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-03 08:48:50,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1817094461, now seen corresponding path program 1 times [2018-10-03 08:48:50,200 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-03 08:48:50,200 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-03 08:48:50,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:48:50,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-03 08:48:50,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:48:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 08:48:50,306 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 08:48:50,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-03 08:48:50,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-03 08:48:50,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-03 08:48:50,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-03 08:48:50,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-03 08:48:50,307 INFO L87 Difference]: Start difference. First operand 885 states and 1156 transitions. Second operand 3 states. [2018-10-03 08:48:50,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-03 08:48:50,661 INFO L93 Difference]: Finished difference Result 2649 states and 3462 transitions. [2018-10-03 08:48:50,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-03 08:48:50,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2018-10-03 08:48:50,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-03 08:48:50,674 INFO L225 Difference]: With dead ends: 2649 [2018-10-03 08:48:50,674 INFO L226 Difference]: Without dead ends: 1767 [2018-10-03 08:48:50,677 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 [2018-10-03 08:48:50,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2018-10-03 08:48:50,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1765. [2018-10-03 08:48:50,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1765 states. [2018-10-03 08:48:50,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1765 states and 2260 transitions. [2018-10-03 08:48:50,959 INFO L78 Accepts]: Start accepts. Automaton has 1765 states and 2260 transitions. Word has length 36 [2018-10-03 08:48:50,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-03 08:48:50,959 INFO L480 AbstractCegarLoop]: Abstraction has 1765 states and 2260 transitions. [2018-10-03 08:48:50,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-03 08:48:50,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2260 transitions. [2018-10-03 08:48:50,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-03 08:48:50,963 INFO L367 BasicCegarLoop]: Found error trace [2018-10-03 08:48:50,963 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] [2018-10-03 08:48:50,963 INFO L423 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-03 08:48:50,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-03 08:48:50,964 INFO L82 PathProgramCache]: Analyzing trace with hash 42087099, now seen corresponding path program 1 times [2018-10-03 08:48:50,964 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-03 08:48:50,966 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-03 08:48:50,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:48:50,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-03 08:48:50,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:48:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 08:48:51,210 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 08:48:51,210 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-03 08:48:51,211 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-03 08:48:51,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-03 08:48:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 08:48:51,400 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 08:48:51,607 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-03 08:48:51,639 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-03 08:48:51,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2018-10-03 08:48:51,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-03 08:48:51,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-03 08:48:51,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-03 08:48:51,641 INFO L87 Difference]: Start difference. First operand 1765 states and 2260 transitions. Second operand 7 states. [2018-10-03 08:48:51,869 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-03 08:48:52,603 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-03 08:48:54,632 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-03 08:48:56,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-03 08:48:56,049 INFO L93 Difference]: Finished difference Result 4087 states and 5237 transitions. [2018-10-03 08:48:56,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-10-03 08:48:56,050 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2018-10-03 08:48:56,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-03 08:48:56,060 INFO L225 Difference]: With dead ends: 4087 [2018-10-03 08:48:56,060 INFO L226 Difference]: Without dead ends: 1617 [2018-10-03 08:48:56,064 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2018-10-03 08:48:56,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2018-10-03 08:48:56,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1454. [2018-10-03 08:48:56,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1454 states. [2018-10-03 08:48:56,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 1737 transitions. [2018-10-03 08:48:56,321 INFO L78 Accepts]: Start accepts. Automaton has 1454 states and 1737 transitions. Word has length 36 [2018-10-03 08:48:56,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-03 08:48:56,321 INFO L480 AbstractCegarLoop]: Abstraction has 1454 states and 1737 transitions. [2018-10-03 08:48:56,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-03 08:48:56,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 1737 transitions. [2018-10-03 08:48:56,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-03 08:48:56,324 INFO L367 BasicCegarLoop]: Found error trace [2018-10-03 08:48:56,325 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] [2018-10-03 08:48:56,325 INFO L423 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-10-03 08:48:56,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-03 08:48:56,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1718966135, now seen corresponding path program 2 times [2018-10-03 08:48:56,326 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-03 08:48:56,326 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-03 08:48:56,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:48:56,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-03 08:48:56,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-03 08:48:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 08:48:56,429 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-03 08:48:56,430 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-03 08:48:56,430 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-03 08:48:56,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-03 08:48:56,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-03 08:48:56,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-03 08:48:56,431 INFO L87 Difference]: Start difference. First operand 1454 states and 1737 transitions. Second operand 3 states. [2018-10-03 08:48:56,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-03 08:48:56,466 INFO L93 Difference]: Finished difference Result 1464 states and 1748 transitions. [2018-10-03 08:48:56,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-03 08:48:56,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-10-03 08:48:56,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-03 08:48:56,466 INFO L225 Difference]: With dead ends: 1464 [2018-10-03 08:48:56,466 INFO L226 Difference]: Without dead ends: 0 [2018-10-03 08:48:56,468 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 [2018-10-03 08:48:56,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-03 08:48:56,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-03 08:48:56,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-03 08:48:56,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-03 08:48:56,469 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-10-03 08:48:56,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-03 08:48:56,469 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-03 08:48:56,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-03 08:48:56,469 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-03 08:48:56,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-03 08:48:56,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-03 08:48:56,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,751 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 56 [2018-10-03 08:48:56,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:56,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:57,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:57,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:57,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:57,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:57,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-03 08:48:58,203 WARN L178 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-10-03 08:48:58,414 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-03 08:48:59,154 WARN L178 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-10-03 08:48:59,362 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2018-10-03 08:48:59,567 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-10-03 08:48:59,990 WARN L178 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2018-10-03 08:49:00,418 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-10-03 08:49:00,655 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2018-10-03 08:49:00,940 WARN L178 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2018-10-03 08:49:01,044 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-10-03 08:49:02,010 WARN L178 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2018-10-03 08:49:02,028 INFO L421 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))) [2018-10-03 08:49:02,029 INFO L421 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))))) [2018-10-03 08:49:02,029 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 516) no Hoare annotation was computed. [2018-10-03 08:49:02,029 INFO L421 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))) [2018-10-03 08:49:02,030 INFO L421 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))) [2018-10-03 08:49:02,030 INFO L421 ceAbstractionStarter]: At program point L511(lines 511 515) the Hoare annotation is: false [2018-10-03 08:49:02,030 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(lines 96 517) no Hoare annotation was computed. [2018-10-03 08:49:02,030 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 96 517) no Hoare annotation was computed. [2018-10-03 08:49:02,030 INFO L421 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))) [2018-10-03 08:49:02,030 INFO L421 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))) [2018-10-03 08:49:02,030 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 96 517) no Hoare annotation was computed. [2018-10-03 08:49:02,031 INFO L421 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))) [2018-10-03 08:49:02,031 INFO L421 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))))) [2018-10-03 08:49:02,031 INFO L421 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))) [2018-10-03 08:49:02,031 INFO L421 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))) [2018-10-03 08:49:02,031 INFO L421 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))) [2018-10-03 08:49:02,031 INFO L421 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))))) [2018-10-03 08:49:02,031 INFO L421 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))) [2018-10-03 08:49:02,032 INFO L421 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))) [2018-10-03 08:49:02,032 INFO L421 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))))) [2018-10-03 08:49:02,032 INFO L421 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))))) [2018-10-03 08:49:02,032 INFO L421 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))))) [2018-10-03 08:49:02,039 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,040 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,046 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,047 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,049 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,049 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,051 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,051 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,055 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,055 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,057 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,057 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,060 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,060 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,062 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,062 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,066 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,066 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,067 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,068 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,069 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,069 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,071 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,071 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,073 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,074 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,075 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,075 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,077 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,078 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,080 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,080 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,082 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,083 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,084 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,084 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,086 INFO L202 PluginConnector]: Adding new model pals_lcr.6.ufo.UNBOUNDED.pals.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 08:49:02 BoogieIcfgContainer [2018-10-03 08:49:02,087 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-03 08:49:02,088 INFO L168 Benchmark]: Toolchain (without parser) took 15675.19 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 151.5 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -46.1 MB). Peak memory consumption was 611.5 MB. Max. memory is 7.1 GB. [2018-10-03 08:49:02,089 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. [2018-10-03 08:49:02,090 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.49 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 08:49:02,090 INFO L168 Benchmark]: Boogie Preprocessor took 69.53 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 08:49:02,091 INFO L168 Benchmark]: RCFGBuilder took 702.68 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. [2018-10-03 08:49:02,092 INFO L168 Benchmark]: TraceAbstraction took 14833.28 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 151.5 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -88.4 MB). Peak memory consumption was 569.2 MB. Max. memory is 7.1 GB. [2018-10-03 08:49:02,102 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 61.49 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 69.53 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 702.68 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 14833.28 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 151.5 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -88.4 MB). Peak memory consumption was 569.2 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 [2018-10-03 08:49:02,118 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,122 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,126 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,127 WARN L390 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 [2018-10-03 08:49:02,130 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,130 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,131 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,131 WARN L390 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 [2018-10-03 08:49:02,135 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,135 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,137 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,137 WARN L390 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 [2018-10-03 08:49:02,138 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,138 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,140 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,140 WARN L390 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 [2018-10-03 08:49:02,142 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,142 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,143 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,143 WARN L390 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 [2018-10-03 08:49:02,144 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,144 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,145 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,145 WARN L390 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 [2018-10-03 08:49:02,147 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,147 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,148 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,148 WARN L390 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 [2018-10-03 08:49:02,149 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,149 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,150 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,150 WARN L390 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 [2018-10-03 08:49:02,152 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,152 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,153 WARN L390 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~r1_9,QUANTIFIED] [2018-10-03 08:49:02,153 WARN L390 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, 14.7s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 5.8s AutomataDifference, 0.0s DeadEndRemovalTime, 5.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 356 SDtfs, 297 SDslu, 258 SDs, 0 SdLazy, 296 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 2.0s 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, 0.6s HoareSimplificationTime, 18 FomulaSimplificationsInter, 105 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s 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-0-2018-10-03_08-49-02-160.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-0-2018-10-03_08-49-02-160.csv Received shutdown request...