java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/ArraysWithLenghtAtDeclaration_true-valid-memsafety_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 03:01:48,225 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 03:01:48,227 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 03:01:48,239 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 03:01:48,239 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 03:01:48,240 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 03:01:48,240 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 03:01:48,241 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 03:01:48,243 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 03:01:48,243 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 03:01:48,244 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 03:01:48,244 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 03:01:48,245 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 03:01:48,246 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 03:01:48,247 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 03:01:48,248 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 03:01:48,250 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 03:01:48,252 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 03:01:48,253 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 03:01:48,254 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 03:01:48,255 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-04 03:01:48,260 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-02-04 03:01:48,270 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 03:01:48,270 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 03:01:48,271 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 03:01:48,271 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 03:01:48,271 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 03:01:48,271 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 03:01:48,272 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 03:01:48,272 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 03:01:48,272 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 03:01:48,272 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 03:01:48,272 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 03:01:48,272 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 03:01:48,272 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 03:01:48,273 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 03:01:48,273 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 03:01:48,273 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 03:01:48,273 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 03:01:48,273 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 03:01:48,273 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 03:01:48,274 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 03:01:48,274 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 03:01:48,274 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 03:01:48,274 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-04 03:01:48,301 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 03:01:48,315 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 03:01:48,320 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 03:01:48,321 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 03:01:48,322 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 03:01:48,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysWithLenghtAtDeclaration_true-valid-memsafety_true-termination.c [2018-02-04 03:01:48,429 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 03:01:48,430 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 03:01:48,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 03:01:48,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 03:01:48,435 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 03:01:48,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 03:01:48" (1/1) ... [2018-02-04 03:01:48,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@318a8b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:01:48, skipping insertion in model container [2018-02-04 03:01:48,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 03:01:48" (1/1) ... [2018-02-04 03:01:48,449 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 03:01:48,462 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 03:01:48,544 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 03:01:48,554 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 03:01:48,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:01:48 WrapperNode [2018-02-04 03:01:48,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 03:01:48,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 03:01:48,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 03:01:48,559 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 03:01:48,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:01:48" (1/1) ... [2018-02-04 03:01:48,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:01:48" (1/1) ... [2018-02-04 03:01:48,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:01:48" (1/1) ... [2018-02-04 03:01:48,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:01:48" (1/1) ... [2018-02-04 03:01:48,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:01:48" (1/1) ... [2018-02-04 03:01:48,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:01:48" (1/1) ... [2018-02-04 03:01:48,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:01:48" (1/1) ... [2018-02-04 03:01:48,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 03:01:48,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 03:01:48,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 03:01:48,585 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 03:01:48,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:01:48" (1/1) ... No working directory specified, using /home/ultimate/work/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 [2018-02-04 03:01:48,619 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 03:01:48,619 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 03:01:48,620 INFO L136 BoogieDeclarations]: Found implementation of procedure foo [2018-02-04 03:01:48,620 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 03:01:48,620 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 03:01:48,620 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 03:01:48,620 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 03:01:48,620 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 03:01:48,620 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 03:01:48,621 INFO L128 BoogieDeclarations]: Found specification of procedure foo [2018-02-04 03:01:48,621 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 03:01:48,621 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 03:01:48,621 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 03:01:48,735 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 03:01:48,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 03:01:48 BoogieIcfgContainer [2018-02-04 03:01:48,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 03:01:48,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 03:01:48,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 03:01:48,739 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 03:01:48,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 03:01:48" (1/3) ... [2018-02-04 03:01:48,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3173e420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 03:01:48, skipping insertion in model container [2018-02-04 03:01:48,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:01:48" (2/3) ... [2018-02-04 03:01:48,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3173e420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 03:01:48, skipping insertion in model container [2018-02-04 03:01:48,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 03:01:48" (3/3) ... [2018-02-04 03:01:48,741 INFO L107 eAbstractionObserver]: Analyzing ICFG ArraysWithLenghtAtDeclaration_true-valid-memsafety_true-termination.c [2018-02-04 03:01:48,747 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 03:01:48,751 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-02-04 03:01:48,783 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 03:01:48,783 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 03:01:48,783 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-04 03:01:48,783 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 03:01:48,783 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 03:01:48,783 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 03:01:48,783 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 03:01:48,784 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 03:01:48,784 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 03:01:48,797 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-02-04 03:01:48,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-02-04 03:01:48,805 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:48,806 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:48,806 INFO L371 AbstractCegarLoop]: === Iteration 1 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:48,810 INFO L82 PathProgramCache]: Analyzing trace with hash -215054890, now seen corresponding path program 1 times [2018-02-04 03:01:48,856 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:48,896 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:48,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:48,969 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:01:48,969 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-04 03:01:48,970 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:48,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:48,970 INFO L182 omatonBuilderFactory]: Interpolants [49#true, 50#false, 51#(= main_~i~1 0)] [2018-02-04 03:01:48,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:48,971 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 03:01:48,979 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 03:01:48,979 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 03:01:48,981 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 3 states. [2018-02-04 03:01:49,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:49,047 INFO L93 Difference]: Finished difference Result 63 states and 68 transitions. [2018-02-04 03:01:49,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 03:01:49,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-02-04 03:01:49,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:49,059 INFO L225 Difference]: With dead ends: 63 [2018-02-04 03:01:49,059 INFO L226 Difference]: Without dead ends: 59 [2018-02-04 03:01:49,061 INFO L554 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 [2018-02-04 03:01:49,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-02-04 03:01:49,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 49. [2018-02-04 03:01:49,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-02-04 03:01:49,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 52 transitions. [2018-02-04 03:01:49,130 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 52 transitions. Word has length 11 [2018-02-04 03:01:49,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:49,130 INFO L432 AbstractCegarLoop]: Abstraction has 49 states and 52 transitions. [2018-02-04 03:01:49,130 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 03:01:49,130 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2018-02-04 03:01:49,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 03:01:49,130 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:49,131 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:49,131 INFO L371 AbstractCegarLoop]: === Iteration 2 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:49,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1100032001, now seen corresponding path program 1 times [2018-02-04 03:01:49,132 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:49,146 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:49,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:49,177 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:01:49,177 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-04 03:01:49,177 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:49,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:49,178 INFO L182 omatonBuilderFactory]: Interpolants [164#true, 165#false, 166#(= foo_~i~0 0)] [2018-02-04 03:01:49,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:49,179 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 03:01:49,180 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 03:01:49,180 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 03:01:49,180 INFO L87 Difference]: Start difference. First operand 49 states and 52 transitions. Second operand 3 states. [2018-02-04 03:01:49,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:49,198 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2018-02-04 03:01:49,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 03:01:49,198 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-02-04 03:01:49,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:49,200 INFO L225 Difference]: With dead ends: 60 [2018-02-04 03:01:49,200 INFO L226 Difference]: Without dead ends: 60 [2018-02-04 03:01:49,200 INFO L554 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 [2018-02-04 03:01:49,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-02-04 03:01:49,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 52. [2018-02-04 03:01:49,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-02-04 03:01:49,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2018-02-04 03:01:49,204 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 16 [2018-02-04 03:01:49,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:49,205 INFO L432 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2018-02-04 03:01:49,205 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 03:01:49,205 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2018-02-04 03:01:49,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-02-04 03:01:49,205 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:49,205 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:49,205 INFO L371 AbstractCegarLoop]: === Iteration 3 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:49,205 INFO L82 PathProgramCache]: Analyzing trace with hash -258746290, now seen corresponding path program 1 times [2018-02-04 03:01:49,206 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:49,213 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:49,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:49,322 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:01:49,322 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 03:01:49,323 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:49,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:49,323 INFO L182 omatonBuilderFactory]: Interpolants [279#true, 280#false, 281#(and (= 32 (select |#length| |main_~#mask~0.base|)) (= 0 |main_~#mask~0.offset|)), 282#(and (= 0 |foo_#in~b.offset|) (= 32 (select |#length| |foo_#in~b.base|))), 283#(and (= (select |#length| foo_~b.base) 32) (= foo_~b.offset 0)), 284#(and (= (select |#length| foo_~b.base) 32) (<= 0 foo_~i~0) (= foo_~b.offset 0) (<= foo_~i~0 31))] [2018-02-04 03:01:49,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:49,323 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:01:49,324 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:01:49,324 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:01:49,324 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand 6 states. [2018-02-04 03:01:49,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:49,417 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2018-02-04 03:01:49,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:01:49,418 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-02-04 03:01:49,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:49,419 INFO L225 Difference]: With dead ends: 54 [2018-02-04 03:01:49,419 INFO L226 Difference]: Without dead ends: 54 [2018-02-04 03:01:49,419 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:01:49,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-02-04 03:01:49,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2018-02-04 03:01:49,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-02-04 03:01:49,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2018-02-04 03:01:49,425 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 17 [2018-02-04 03:01:49,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:49,425 INFO L432 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2018-02-04 03:01:49,425 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:01:49,425 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2018-02-04 03:01:49,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-02-04 03:01:49,426 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:49,426 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:49,426 INFO L371 AbstractCegarLoop]: === Iteration 4 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:49,426 INFO L82 PathProgramCache]: Analyzing trace with hash -258746291, now seen corresponding path program 1 times [2018-02-04 03:01:49,427 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:49,436 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:49,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:49,467 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:01:49,467 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:01:49,467 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:49,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:49,468 INFO L182 omatonBuilderFactory]: Interpolants [394#true, 395#false, 396#(= 1 (select |#valid| |main_~#mask~0.base|)), 397#(= 1 (select |#valid| |foo_#in~b.base|)), 398#(= 1 (select |#valid| foo_~b.base))] [2018-02-04 03:01:49,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:49,468 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:01:49,469 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:01:49,469 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:01:49,469 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand 5 states. [2018-02-04 03:01:49,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:49,497 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2018-02-04 03:01:49,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:01:49,498 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-02-04 03:01:49,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:49,499 INFO L225 Difference]: With dead ends: 50 [2018-02-04 03:01:49,499 INFO L226 Difference]: Without dead ends: 50 [2018-02-04 03:01:49,499 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:01:49,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-02-04 03:01:49,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-02-04 03:01:49,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-02-04 03:01:49,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2018-02-04 03:01:49,503 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 17 [2018-02-04 03:01:49,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:49,504 INFO L432 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2018-02-04 03:01:49,504 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:01:49,504 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2018-02-04 03:01:49,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-02-04 03:01:49,504 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:49,504 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:49,504 INFO L371 AbstractCegarLoop]: === Iteration 5 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:49,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1933852231, now seen corresponding path program 1 times [2018-02-04 03:01:49,505 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:49,515 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:49,581 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:49,582 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:01:49,582 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 03:01:49,582 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:49,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:49,582 INFO L182 omatonBuilderFactory]: Interpolants [501#true, 502#false, 503#(= 0 main_~i~1), 504#(= 0 |foo_#in~size|), 505#(= foo_~size 0), 506#(and (= foo_~size 0) (<= 0 foo_~i~0)), 507#(and (= foo_~size 0) (<= 1 foo_~i~0))] [2018-02-04 03:01:49,582 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:49,582 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 03:01:49,583 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 03:01:49,583 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:01:49,583 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 7 states. [2018-02-04 03:01:49,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:49,680 INFO L93 Difference]: Finished difference Result 72 states and 77 transitions. [2018-02-04 03:01:49,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:01:49,681 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-02-04 03:01:49,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:49,682 INFO L225 Difference]: With dead ends: 72 [2018-02-04 03:01:49,682 INFO L226 Difference]: Without dead ends: 72 [2018-02-04 03:01:49,682 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:01:49,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-02-04 03:01:49,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 63. [2018-02-04 03:01:49,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-02-04 03:01:49,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 68 transitions. [2018-02-04 03:01:49,687 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 68 transitions. Word has length 22 [2018-02-04 03:01:49,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:49,687 INFO L432 AbstractCegarLoop]: Abstraction has 63 states and 68 transitions. [2018-02-04 03:01:49,687 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 03:01:49,688 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 68 transitions. [2018-02-04 03:01:49,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-02-04 03:01:49,688 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:49,688 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:49,688 INFO L371 AbstractCegarLoop]: === Iteration 6 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:49,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1974903447, now seen corresponding path program 1 times [2018-02-04 03:01:49,689 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:49,698 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:49,737 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:49,737 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:01:49,737 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:01:49,737 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:49,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:49,738 INFO L182 omatonBuilderFactory]: Interpolants [647#true, 648#false, 649#(<= 0 main_~i~1), 650#(<= 1 main_~i~1), 651#(and (<= main_~i~1 31) (<= 1 main_~i~1))] [2018-02-04 03:01:49,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:49,738 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:01:49,738 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:01:49,738 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:01:49,739 INFO L87 Difference]: Start difference. First operand 63 states and 68 transitions. Second operand 5 states. [2018-02-04 03:01:49,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:49,767 INFO L93 Difference]: Finished difference Result 72 states and 76 transitions. [2018-02-04 03:01:49,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:01:49,768 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-02-04 03:01:49,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:49,768 INFO L225 Difference]: With dead ends: 72 [2018-02-04 03:01:49,769 INFO L226 Difference]: Without dead ends: 72 [2018-02-04 03:01:49,769 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:01:49,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-02-04 03:01:49,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 60. [2018-02-04 03:01:49,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-02-04 03:01:49,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 65 transitions. [2018-02-04 03:01:49,772 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 65 transitions. Word has length 23 [2018-02-04 03:01:49,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:49,773 INFO L432 AbstractCegarLoop]: Abstraction has 60 states and 65 transitions. [2018-02-04 03:01:49,773 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:01:49,773 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2018-02-04 03:01:49,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-02-04 03:01:49,774 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:49,774 INFO L351 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:49,774 INFO L371 AbstractCegarLoop]: === Iteration 7 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:49,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1474818454, now seen corresponding path program 1 times [2018-02-04 03:01:49,775 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:49,783 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:49,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:49,827 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:49,827 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-02-04 03:01:49,827 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:49,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:49,827 INFO L182 omatonBuilderFactory]: Interpolants [784#true, 785#false, 786#(= main_~i~1 0), 787#(= foo_~i~0 0), 788#(= |foo_#res| 0), 789#(and (= |main_#t~ret3| 0) (= main_~i~1 0)), 790#(= (select main_~b~0 0) 0), 791#(= main_~i~1 (select main_~b~0 main_~i~1))] [2018-02-04 03:01:49,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:49,828 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 03:01:49,828 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 03:01:49,828 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:01:49,828 INFO L87 Difference]: Start difference. First operand 60 states and 65 transitions. Second operand 8 states. [2018-02-04 03:01:49,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:49,940 INFO L93 Difference]: Finished difference Result 91 states and 99 transitions. [2018-02-04 03:01:49,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 03:01:49,941 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2018-02-04 03:01:49,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:49,942 INFO L225 Difference]: With dead ends: 91 [2018-02-04 03:01:49,942 INFO L226 Difference]: Without dead ends: 91 [2018-02-04 03:01:49,942 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:01:49,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-02-04 03:01:49,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 72. [2018-02-04 03:01:49,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-02-04 03:01:49,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 78 transitions. [2018-02-04 03:01:49,950 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 78 transitions. Word has length 31 [2018-02-04 03:01:49,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:49,950 INFO L432 AbstractCegarLoop]: Abstraction has 72 states and 78 transitions. [2018-02-04 03:01:49,950 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 03:01:49,950 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 78 transitions. [2018-02-04 03:01:49,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-02-04 03:01:49,951 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:49,951 INFO L351 BasicCegarLoop]: trace histogram [3, 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] [2018-02-04 03:01:49,951 INFO L371 AbstractCegarLoop]: === Iteration 8 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:49,951 INFO L82 PathProgramCache]: Analyzing trace with hash -533212584, now seen corresponding path program 1 times [2018-02-04 03:01:49,955 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:49,974 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:50,032 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:01:50,033 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:01:50,033 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 03:01:50,033 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:50,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:50,034 INFO L182 omatonBuilderFactory]: Interpolants [961#true, 962#false, 963#(= 0 main_~i~1), 964#(and (= foo_~i~0 0) (or (= foo_~size 0) (= |foo_#in~size| foo_~size))), 965#(and (= foo_~i~0 0) (not (= |foo_#in~size| 0))), 966#(not (= |foo_#in~size| 0))] [2018-02-04 03:01:50,034 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:01:50,034 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:01:50,034 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:01:50,034 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:01:50,034 INFO L87 Difference]: Start difference. First operand 72 states and 78 transitions. Second operand 6 states. [2018-02-04 03:01:50,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:50,105 INFO L93 Difference]: Finished difference Result 79 states and 83 transitions. [2018-02-04 03:01:50,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:01:50,106 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2018-02-04 03:01:50,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:50,106 INFO L225 Difference]: With dead ends: 79 [2018-02-04 03:01:50,106 INFO L226 Difference]: Without dead ends: 76 [2018-02-04 03:01:50,107 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:01:50,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-02-04 03:01:50,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 60. [2018-02-04 03:01:50,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-02-04 03:01:50,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2018-02-04 03:01:50,111 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 34 [2018-02-04 03:01:50,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:50,111 INFO L432 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2018-02-04 03:01:50,111 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:01:50,111 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2018-02-04 03:01:50,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-02-04 03:01:50,112 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:50,112 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:50,112 INFO L371 AbstractCegarLoop]: === Iteration 9 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:50,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1643098334, now seen corresponding path program 1 times [2018-02-04 03:01:50,113 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:50,121 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:50,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:01:50,144 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:50,144 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-02-04 03:01:50,144 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:50,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:50,145 INFO L182 omatonBuilderFactory]: Interpolants [1108#true, 1109#false, 1110#(= main_~i~1 0), 1111#(<= main_~i~1 1)] [2018-02-04 03:01:50,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:01:50,145 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:01:50,145 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:01:50,145 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:01:50,146 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand 4 states. [2018-02-04 03:01:50,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:50,185 INFO L93 Difference]: Finished difference Result 86 states and 91 transitions. [2018-02-04 03:01:50,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 03:01:50,186 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2018-02-04 03:01:50,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:50,186 INFO L225 Difference]: With dead ends: 86 [2018-02-04 03:01:50,186 INFO L226 Difference]: Without dead ends: 86 [2018-02-04 03:01:50,186 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:01:50,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-02-04 03:01:50,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 69. [2018-02-04 03:01:50,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-02-04 03:01:50,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2018-02-04 03:01:50,191 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 74 transitions. Word has length 37 [2018-02-04 03:01:50,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:50,191 INFO L432 AbstractCegarLoop]: Abstraction has 69 states and 74 transitions. [2018-02-04 03:01:50,191 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:01:50,191 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2018-02-04 03:01:50,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-02-04 03:01:50,192 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:50,192 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:50,192 INFO L371 AbstractCegarLoop]: === Iteration 10 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:50,192 INFO L82 PathProgramCache]: Analyzing trace with hash 465858064, now seen corresponding path program 2 times [2018-02-04 03:01:50,193 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:50,203 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:50,263 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-02-04 03:01:50,263 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:50,263 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-02-04 03:01:50,263 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:50,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:50,264 INFO L182 omatonBuilderFactory]: Interpolants [1267#true, 1268#false, 1269#(<= main_~i~1 31), 1270#(<= |foo_#in~size| 31), 1271#(<= foo_~size 31), 1272#(and (<= 0 foo_~i~0) (<= foo_~size 31)), 1273#(and (<= 1 foo_~i~0) (<= foo_~size 31)), 1274#(and (<= 1 foo_~i~0) (<= foo_~i~0 31))] [2018-02-04 03:01:50,264 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-02-04 03:01:50,264 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 03:01:50,265 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 03:01:50,265 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:01:50,265 INFO L87 Difference]: Start difference. First operand 69 states and 74 transitions. Second operand 8 states. [2018-02-04 03:01:50,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:50,340 INFO L93 Difference]: Finished difference Result 76 states and 80 transitions. [2018-02-04 03:01:50,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:01:50,341 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2018-02-04 03:01:50,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:50,341 INFO L225 Difference]: With dead ends: 76 [2018-02-04 03:01:50,341 INFO L226 Difference]: Without dead ends: 76 [2018-02-04 03:01:50,342 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:01:50,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-02-04 03:01:50,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 65. [2018-02-04 03:01:50,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-02-04 03:01:50,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2018-02-04 03:01:50,345 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 40 [2018-02-04 03:01:50,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:50,345 INFO L432 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2018-02-04 03:01:50,345 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 03:01:50,346 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2018-02-04 03:01:50,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-02-04 03:01:50,346 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:50,347 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:50,347 INFO L371 AbstractCegarLoop]: === Iteration 11 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:50,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1898563809, now seen corresponding path program 2 times [2018-02-04 03:01:50,347 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:50,357 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:50,384 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-02-04 03:01:50,384 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:50,384 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-02-04 03:01:50,384 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:50,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:01:50,384 INFO L182 omatonBuilderFactory]: Interpolants [1424#(= main_~i~1 0), 1425#(<= main_~i~1 1), 1426#(<= main_~i~1 2), 1422#true, 1423#false] [2018-02-04 03:01:50,385 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-02-04 03:01:50,385 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:01:50,385 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:01:50,385 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:01:50,385 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand 5 states. [2018-02-04 03:01:50,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:50,430 INFO L93 Difference]: Finished difference Result 98 states and 103 transitions. [2018-02-04 03:01:50,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:01:50,431 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2018-02-04 03:01:50,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:50,432 INFO L225 Difference]: With dead ends: 98 [2018-02-04 03:01:50,432 INFO L226 Difference]: Without dead ends: 98 [2018-02-04 03:01:50,432 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:01:50,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-02-04 03:01:50,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2018-02-04 03:01:50,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-02-04 03:01:50,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 82 transitions. [2018-02-04 03:01:50,436 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 82 transitions. Word has length 49 [2018-02-04 03:01:50,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:50,437 INFO L432 AbstractCegarLoop]: Abstraction has 76 states and 82 transitions. [2018-02-04 03:01:50,437 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:01:50,437 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2018-02-04 03:01:50,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-02-04 03:01:50,439 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:50,439 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:50,439 INFO L371 AbstractCegarLoop]: === Iteration 12 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:50,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1217895456, now seen corresponding path program 3 times [2018-02-04 03:01:50,441 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:50,451 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-02-04 03:01:50,493 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:50,493 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-02-04 03:01:50,494 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:50,494 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 03:01:50,494 INFO L182 omatonBuilderFactory]: Interpolants [1601#true, 1602#false, 1603#(= main_~i~1 0), 1604#(<= main_~i~1 1), 1605#(<= main_~i~1 2), 1606#(<= main_~i~1 3)] [2018-02-04 03:01:50,494 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-02-04 03:01:50,494 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:01:50,495 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:01:50,495 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:01:50,495 INFO L87 Difference]: Start difference. First operand 76 states and 82 transitions. Second operand 6 states. [2018-02-04 03:01:50,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:50,550 INFO L93 Difference]: Finished difference Result 114 states and 120 transitions. [2018-02-04 03:01:50,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:01:50,550 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-02-04 03:01:50,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:50,551 INFO L225 Difference]: With dead ends: 114 [2018-02-04 03:01:50,552 INFO L226 Difference]: Without dead ends: 114 [2018-02-04 03:01:50,552 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:01:50,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-02-04 03:01:50,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 87. [2018-02-04 03:01:50,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-02-04 03:01:50,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2018-02-04 03:01:50,562 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 61 [2018-02-04 03:01:50,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:50,562 INFO L432 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2018-02-04 03:01:50,562 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:01:50,562 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2018-02-04 03:01:50,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 03:01:50,563 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:50,563 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:50,564 INFO L371 AbstractCegarLoop]: === Iteration 13 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:50,564 INFO L82 PathProgramCache]: Analyzing trace with hash -354388191, now seen corresponding path program 4 times [2018-02-04 03:01:50,565 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:50,578 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:50,638 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 52 proven. 5 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-02-04 03:01:50,638 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:50,638 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-02-04 03:01:50,638 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:50,639 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:01:50,639 INFO L182 omatonBuilderFactory]: Interpolants [1808#true, 1809#false, 1810#(<= 0 main_~i~1), 1811#(<= 1 main_~i~1), 1812#(<= 2 main_~i~1), 1813#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 1814#(and (= foo_~i~0 0) (<= (+ |foo_#in~size| 1) foo_~i~0)), 1815#(<= (+ |foo_#in~size| 1) 0)] [2018-02-04 03:01:50,639 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 52 proven. 5 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-02-04 03:01:50,639 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 03:01:50,640 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 03:01:50,640 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:01:50,640 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand 8 states. [2018-02-04 03:01:50,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:50,733 INFO L93 Difference]: Finished difference Result 106 states and 112 transitions. [2018-02-04 03:01:50,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:01:50,733 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 73 [2018-02-04 03:01:50,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:50,734 INFO L225 Difference]: With dead ends: 106 [2018-02-04 03:01:50,734 INFO L226 Difference]: Without dead ends: 103 [2018-02-04 03:01:50,734 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:01:50,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-02-04 03:01:50,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 89. [2018-02-04 03:01:50,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-02-04 03:01:50,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 97 transitions. [2018-02-04 03:01:50,738 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 97 transitions. Word has length 73 [2018-02-04 03:01:50,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:50,738 INFO L432 AbstractCegarLoop]: Abstraction has 89 states and 97 transitions. [2018-02-04 03:01:50,738 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 03:01:50,738 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2018-02-04 03:01:50,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-02-04 03:01:50,738 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:50,739 INFO L351 BasicCegarLoop]: trace histogram [8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:50,739 INFO L371 AbstractCegarLoop]: === Iteration 14 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:50,739 INFO L82 PathProgramCache]: Analyzing trace with hash 459321465, now seen corresponding path program 5 times [2018-02-04 03:01:50,739 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:50,754 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:50,809 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-02-04 03:01:50,809 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:50,809 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-02-04 03:01:50,809 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:50,810 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-02-04 03:01:50,810 INFO L182 omatonBuilderFactory]: Interpolants [2016#(<= main_~i~1 1), 2017#(<= main_~i~1 2), 2018#(<= main_~i~1 3), 2019#(<= main_~i~1 4), 2013#true, 2014#false, 2015#(= main_~i~1 0)] [2018-02-04 03:01:50,810 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-02-04 03:01:50,810 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 03:01:50,810 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 03:01:50,811 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:01:50,811 INFO L87 Difference]: Start difference. First operand 89 states and 97 transitions. Second operand 7 states. [2018-02-04 03:01:50,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:50,869 INFO L93 Difference]: Finished difference Result 132 states and 139 transitions. [2018-02-04 03:01:50,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:01:50,869 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2018-02-04 03:01:50,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:50,870 INFO L225 Difference]: With dead ends: 132 [2018-02-04 03:01:50,870 INFO L226 Difference]: Without dead ends: 132 [2018-02-04 03:01:50,870 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:01:50,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-02-04 03:01:50,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 100. [2018-02-04 03:01:50,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-02-04 03:01:50,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 110 transitions. [2018-02-04 03:01:50,873 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 110 transitions. Word has length 91 [2018-02-04 03:01:50,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:50,873 INFO L432 AbstractCegarLoop]: Abstraction has 100 states and 110 transitions. [2018-02-04 03:01:50,873 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 03:01:50,873 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 110 transitions. [2018-02-04 03:01:50,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-02-04 03:01:50,874 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:50,874 INFO L351 BasicCegarLoop]: trace histogram [10, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:50,874 INFO L371 AbstractCegarLoop]: === Iteration 15 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:50,874 INFO L82 PathProgramCache]: Analyzing trace with hash 109337218, now seen corresponding path program 6 times [2018-02-04 03:01:50,875 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:50,889 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:50,975 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 55 proven. 47 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-02-04 03:01:50,975 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:50,975 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-02-04 03:01:50,975 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:50,976 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-02-04 03:01:50,976 INFO L182 omatonBuilderFactory]: Interpolants [2256#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 2257#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 2258#(<= |foo_#in~size| 0), 2252#true, 2253#false, 2254#(<= 0 main_~i~1), 2255#(<= 1 main_~i~1)] [2018-02-04 03:01:50,976 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 55 proven. 47 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-02-04 03:01:50,977 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 03:01:50,977 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 03:01:50,977 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:01:50,977 INFO L87 Difference]: Start difference. First operand 100 states and 110 transitions. Second operand 7 states. [2018-02-04 03:01:51,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:51,042 INFO L93 Difference]: Finished difference Result 118 states and 127 transitions. [2018-02-04 03:01:51,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:01:51,042 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 109 [2018-02-04 03:01:51,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:51,043 INFO L225 Difference]: With dead ends: 118 [2018-02-04 03:01:51,043 INFO L226 Difference]: Without dead ends: 115 [2018-02-04 03:01:51,044 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:01:51,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-02-04 03:01:51,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 106. [2018-02-04 03:01:51,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-02-04 03:01:51,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 116 transitions. [2018-02-04 03:01:51,047 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 116 transitions. Word has length 109 [2018-02-04 03:01:51,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:51,047 INFO L432 AbstractCegarLoop]: Abstraction has 106 states and 116 transitions. [2018-02-04 03:01:51,047 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 03:01:51,047 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 116 transitions. [2018-02-04 03:01:51,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-02-04 03:01:51,048 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:51,048 INFO L351 BasicCegarLoop]: trace histogram [14, 9, 9, 9, 9, 9, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:51,048 INFO L371 AbstractCegarLoop]: === Iteration 16 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:51,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1378714658, now seen corresponding path program 7 times [2018-02-04 03:01:51,049 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:51,063 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:51,121 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2018-02-04 03:01:51,121 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:51,121 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-02-04 03:01:51,121 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:51,121 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-02-04 03:01:51,122 INFO L182 omatonBuilderFactory]: Interpolants [2485#true, 2486#false, 2487#(= main_~i~1 0), 2488#(<= main_~i~1 1), 2489#(<= main_~i~1 2), 2490#(<= main_~i~1 3), 2491#(<= main_~i~1 4), 2492#(<= main_~i~1 5)] [2018-02-04 03:01:51,122 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2018-02-04 03:01:51,122 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 03:01:51,122 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 03:01:51,122 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:01:51,122 INFO L87 Difference]: Start difference. First operand 106 states and 116 transitions. Second operand 8 states. [2018-02-04 03:01:51,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:51,206 INFO L93 Difference]: Finished difference Result 154 states and 162 transitions. [2018-02-04 03:01:51,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 03:01:51,206 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 133 [2018-02-04 03:01:51,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:51,208 INFO L225 Difference]: With dead ends: 154 [2018-02-04 03:01:51,208 INFO L226 Difference]: Without dead ends: 154 [2018-02-04 03:01:51,208 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:01:51,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-02-04 03:01:51,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 117. [2018-02-04 03:01:51,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-02-04 03:01:51,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 129 transitions. [2018-02-04 03:01:51,212 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 129 transitions. Word has length 133 [2018-02-04 03:01:51,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:51,212 INFO L432 AbstractCegarLoop]: Abstraction has 117 states and 129 transitions. [2018-02-04 03:01:51,212 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 03:01:51,213 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 129 transitions. [2018-02-04 03:01:51,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-02-04 03:01:51,214 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:51,214 INFO L351 BasicCegarLoop]: trace histogram [17, 11, 11, 11, 11, 11, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:51,215 INFO L371 AbstractCegarLoop]: === Iteration 17 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:51,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1643945613, now seen corresponding path program 8 times [2018-02-04 03:01:51,216 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:51,233 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:51,313 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2018-02-04 03:01:51,314 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:51,314 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 03:01:51,314 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:51,315 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2018-02-04 03:01:51,315 INFO L182 omatonBuilderFactory]: Interpolants [2768#(<= main_~i~1 2), 2769#(<= main_~i~1 3), 2770#(<= main_~i~1 4), 2771#(<= main_~i~1 5), 2772#(<= main_~i~1 6), 2764#true, 2765#false, 2766#(= main_~i~1 0), 2767#(<= main_~i~1 1)] [2018-02-04 03:01:51,315 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2018-02-04 03:01:51,315 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:01:51,316 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:01:51,316 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:01:51,316 INFO L87 Difference]: Start difference. First operand 117 states and 129 transitions. Second operand 9 states. [2018-02-04 03:01:51,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:51,405 INFO L93 Difference]: Finished difference Result 170 states and 179 transitions. [2018-02-04 03:01:51,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 03:01:51,406 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-02-04 03:01:51,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:51,407 INFO L225 Difference]: With dead ends: 170 [2018-02-04 03:01:51,407 INFO L226 Difference]: Without dead ends: 170 [2018-02-04 03:01:51,407 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:01:51,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-02-04 03:01:51,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 128. [2018-02-04 03:01:51,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-02-04 03:01:51,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 142 transitions. [2018-02-04 03:01:51,412 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 142 transitions. Word has length 157 [2018-02-04 03:01:51,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:51,412 INFO L432 AbstractCegarLoop]: Abstraction has 128 states and 142 transitions. [2018-02-04 03:01:51,412 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:01:51,412 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 142 transitions. [2018-02-04 03:01:51,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-02-04 03:01:51,414 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:51,414 INFO L351 BasicCegarLoop]: trace histogram [20, 13, 13, 13, 13, 13, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:51,414 INFO L371 AbstractCegarLoop]: === Iteration 18 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:51,414 INFO L82 PathProgramCache]: Analyzing trace with hash -2137351228, now seen corresponding path program 9 times [2018-02-04 03:01:51,415 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:51,434 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:51,535 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 234 proven. 10 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2018-02-04 03:01:51,535 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:51,536 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-02-04 03:01:51,536 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:51,536 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-02-04 03:01:51,536 INFO L182 omatonBuilderFactory]: Interpolants [3072#false, 3073#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 3074#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 3075#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 3076#(<= |foo_#in~size| 1), 3077#(<= main_~i~1 1), 3078#(<= main_~i~1 2), 3071#true] [2018-02-04 03:01:51,537 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 234 proven. 10 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2018-02-04 03:01:51,537 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 03:01:51,537 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 03:01:51,538 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:01:51,538 INFO L87 Difference]: Start difference. First operand 128 states and 142 transitions. Second operand 8 states. [2018-02-04 03:01:51,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:51,652 INFO L93 Difference]: Finished difference Result 195 states and 223 transitions. [2018-02-04 03:01:51,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-02-04 03:01:51,652 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 181 [2018-02-04 03:01:51,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:51,654 INFO L225 Difference]: With dead ends: 195 [2018-02-04 03:01:51,654 INFO L226 Difference]: Without dead ends: 195 [2018-02-04 03:01:51,654 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:01:51,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-02-04 03:01:51,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 137. [2018-02-04 03:01:51,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-02-04 03:01:51,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 157 transitions. [2018-02-04 03:01:51,660 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 157 transitions. Word has length 181 [2018-02-04 03:01:51,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:51,660 INFO L432 AbstractCegarLoop]: Abstraction has 137 states and 157 transitions. [2018-02-04 03:01:51,660 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 03:01:51,661 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 157 transitions. [2018-02-04 03:01:51,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-02-04 03:01:51,662 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:51,663 INFO L351 BasicCegarLoop]: trace histogram [21, 14, 14, 14, 14, 14, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:51,663 INFO L371 AbstractCegarLoop]: === Iteration 19 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:51,663 INFO L82 PathProgramCache]: Analyzing trace with hash 567902348, now seen corresponding path program 10 times [2018-02-04 03:01:51,664 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:51,685 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:51,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 148 proven. 172 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2018-02-04 03:01:51,796 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:51,796 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 03:01:51,796 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:51,797 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 17 proven. 65 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-02-04 03:01:51,797 INFO L182 omatonBuilderFactory]: Interpolants [3424#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 3425#(<= |foo_#in~size| 1), 3417#true, 3418#false, 3419#(<= 0 main_~i~1), 3420#(<= 1 main_~i~1), 3421#(<= 2 main_~i~1), 3422#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 3423#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1))] [2018-02-04 03:01:51,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 148 proven. 172 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2018-02-04 03:01:51,798 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:01:51,798 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:01:51,798 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:01:51,798 INFO L87 Difference]: Start difference. First operand 137 states and 157 transitions. Second operand 9 states. [2018-02-04 03:01:51,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:51,908 INFO L93 Difference]: Finished difference Result 151 states and 164 transitions. [2018-02-04 03:01:51,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 03:01:51,908 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 187 [2018-02-04 03:01:51,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:51,909 INFO L225 Difference]: With dead ends: 151 [2018-02-04 03:01:51,909 INFO L226 Difference]: Without dead ends: 151 [2018-02-04 03:01:51,910 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:01:51,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-02-04 03:01:51,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 137. [2018-02-04 03:01:51,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-02-04 03:01:51,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 152 transitions. [2018-02-04 03:01:51,914 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 152 transitions. Word has length 187 [2018-02-04 03:01:51,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:51,914 INFO L432 AbstractCegarLoop]: Abstraction has 137 states and 152 transitions. [2018-02-04 03:01:51,914 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:01:51,915 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 152 transitions. [2018-02-04 03:01:51,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-02-04 03:01:51,917 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:51,917 INFO L351 BasicCegarLoop]: trace histogram [25, 18, 18, 18, 18, 18, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:51,917 INFO L371 AbstractCegarLoop]: === Iteration 20 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:51,917 INFO L82 PathProgramCache]: Analyzing trace with hash 564145964, now seen corresponding path program 11 times [2018-02-04 03:01:51,918 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:51,943 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:52,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1436 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2018-02-04 03:01:52,058 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:52,058 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-02-04 03:01:52,058 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:52,059 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2018-02-04 03:01:52,059 INFO L182 omatonBuilderFactory]: Interpolants [3718#true, 3719#false, 3720#(= main_~i~1 0), 3721#(<= main_~i~1 1), 3722#(<= main_~i~1 2), 3723#(<= main_~i~1 3), 3724#(<= main_~i~1 4), 3725#(<= main_~i~1 5), 3726#(<= main_~i~1 6), 3727#(<= main_~i~1 7)] [2018-02-04 03:01:52,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1436 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 1296 trivial. 0 not checked. [2018-02-04 03:01:52,060 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 03:01:52,060 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 03:01:52,060 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:01:52,060 INFO L87 Difference]: Start difference. First operand 137 states and 152 transitions. Second operand 10 states. [2018-02-04 03:01:52,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:52,160 INFO L93 Difference]: Finished difference Result 195 states and 206 transitions. [2018-02-04 03:01:52,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 03:01:52,160 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 211 [2018-02-04 03:01:52,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:52,162 INFO L225 Difference]: With dead ends: 195 [2018-02-04 03:01:52,162 INFO L226 Difference]: Without dead ends: 195 [2018-02-04 03:01:52,162 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:01:52,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-02-04 03:01:52,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 148. [2018-02-04 03:01:52,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-02-04 03:01:52,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 165 transitions. [2018-02-04 03:01:52,166 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 165 transitions. Word has length 211 [2018-02-04 03:01:52,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:52,167 INFO L432 AbstractCegarLoop]: Abstraction has 148 states and 165 transitions. [2018-02-04 03:01:52,167 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 03:01:52,167 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 165 transitions. [2018-02-04 03:01:52,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-02-04 03:01:52,170 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:52,170 INFO L351 BasicCegarLoop]: trace histogram [29, 21, 21, 21, 21, 21, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:52,170 INFO L371 AbstractCegarLoop]: === Iteration 21 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:52,170 INFO L82 PathProgramCache]: Analyzing trace with hash -250985339, now seen corresponding path program 12 times [2018-02-04 03:01:52,171 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:52,193 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:52,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1948 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 1764 trivial. 0 not checked. [2018-02-04 03:01:52,332 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:52,332 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-02-04 03:01:52,332 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:52,333 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2018-02-04 03:01:52,333 INFO L182 omatonBuilderFactory]: Interpolants [4080#(<= main_~i~1 7), 4081#(<= main_~i~1 8), 4071#true, 4072#false, 4073#(= main_~i~1 0), 4074#(<= main_~i~1 1), 4075#(<= main_~i~1 2), 4076#(<= main_~i~1 3), 4077#(<= main_~i~1 4), 4078#(<= main_~i~1 5), 4079#(<= main_~i~1 6)] [2018-02-04 03:01:52,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1948 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 1764 trivial. 0 not checked. [2018-02-04 03:01:52,333 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 03:01:52,333 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 03:01:52,334 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:01:52,334 INFO L87 Difference]: Start difference. First operand 148 states and 165 transitions. Second operand 11 states. [2018-02-04 03:01:52,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:52,433 INFO L93 Difference]: Finished difference Result 211 states and 223 transitions. [2018-02-04 03:01:52,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-02-04 03:01:52,433 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 241 [2018-02-04 03:01:52,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:52,434 INFO L225 Difference]: With dead ends: 211 [2018-02-04 03:01:52,434 INFO L226 Difference]: Without dead ends: 211 [2018-02-04 03:01:52,435 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:01:52,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-02-04 03:01:52,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 159. [2018-02-04 03:01:52,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-02-04 03:01:52,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 178 transitions. [2018-02-04 03:01:52,437 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 178 transitions. Word has length 241 [2018-02-04 03:01:52,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:52,438 INFO L432 AbstractCegarLoop]: Abstraction has 159 states and 178 transitions. [2018-02-04 03:01:52,438 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 03:01:52,438 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 178 transitions. [2018-02-04 03:01:52,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-02-04 03:01:52,440 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:52,440 INFO L351 BasicCegarLoop]: trace histogram [33, 24, 24, 24, 24, 24, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:52,440 INFO L371 AbstractCegarLoop]: === Iteration 22 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:52,440 INFO L82 PathProgramCache]: Analyzing trace with hash -934332386, now seen corresponding path program 13 times [2018-02-04 03:01:52,440 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:52,456 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:52,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2538 backedges. 542 proven. 24 refuted. 0 times theorem prover too weak. 1972 trivial. 0 not checked. [2018-02-04 03:01:52,594 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:52,594 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 03:01:52,594 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:52,595 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2018-02-04 03:01:52,595 INFO L182 omatonBuilderFactory]: Interpolants [4452#true, 4453#false, 4454#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 4455#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 4456#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 4457#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 4458#(<= |foo_#in~size| 2), 4459#(<= main_~i~1 2), 4460#(<= main_~i~1 3)] [2018-02-04 03:01:52,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2538 backedges. 542 proven. 24 refuted. 0 times theorem prover too weak. 1972 trivial. 0 not checked. [2018-02-04 03:01:52,596 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:01:52,596 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:01:52,596 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:01:52,596 INFO L87 Difference]: Start difference. First operand 159 states and 178 transitions. Second operand 9 states. [2018-02-04 03:01:52,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:52,742 INFO L93 Difference]: Finished difference Result 242 states and 281 transitions. [2018-02-04 03:01:52,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-04 03:01:52,744 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 271 [2018-02-04 03:01:52,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:52,746 INFO L225 Difference]: With dead ends: 242 [2018-02-04 03:01:52,746 INFO L226 Difference]: Without dead ends: 242 [2018-02-04 03:01:52,746 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2018-02-04 03:01:52,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-02-04 03:01:52,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 168. [2018-02-04 03:01:52,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-02-04 03:01:52,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 195 transitions. [2018-02-04 03:01:52,752 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 195 transitions. Word has length 271 [2018-02-04 03:01:52,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:52,753 INFO L432 AbstractCegarLoop]: Abstraction has 168 states and 195 transitions. [2018-02-04 03:01:52,753 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:01:52,753 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 195 transitions. [2018-02-04 03:01:52,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-02-04 03:01:52,754 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:52,754 INFO L351 BasicCegarLoop]: trace histogram [34, 25, 25, 25, 25, 25, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:52,754 INFO L371 AbstractCegarLoop]: === Iteration 23 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:52,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1214647962, now seen corresponding path program 14 times [2018-02-04 03:01:52,755 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:52,779 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:52,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 684 proven. 44 refuted. 0 times theorem prover too weak. 1972 trivial. 0 not checked. [2018-02-04 03:01:52,950 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:52,951 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-02-04 03:01:52,951 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:52,951 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2018-02-04 03:01:52,951 INFO L182 omatonBuilderFactory]: Interpolants [4880#false, 4881#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 4882#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 4883#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 4884#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 4885#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 4886#(<= |foo_#in~size| 3), 4887#(<= main_~i~1 3), 4888#(<= main_~i~1 4), 4879#true] [2018-02-04 03:01:52,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 684 proven. 44 refuted. 0 times theorem prover too weak. 1972 trivial. 0 not checked. [2018-02-04 03:01:52,953 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 03:01:52,953 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 03:01:52,953 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:01:52,953 INFO L87 Difference]: Start difference. First operand 168 states and 195 transitions. Second operand 10 states. [2018-02-04 03:01:53,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:53,120 INFO L93 Difference]: Finished difference Result 251 states and 305 transitions. [2018-02-04 03:01:53,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 03:01:53,120 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 277 [2018-02-04 03:01:53,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:53,122 INFO L225 Difference]: With dead ends: 251 [2018-02-04 03:01:53,122 INFO L226 Difference]: Without dead ends: 251 [2018-02-04 03:01:53,123 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:01:53,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-02-04 03:01:53,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 174. [2018-02-04 03:01:53,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-02-04 03:01:53,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 202 transitions. [2018-02-04 03:01:53,130 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 202 transitions. Word has length 277 [2018-02-04 03:01:53,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:53,130 INFO L432 AbstractCegarLoop]: Abstraction has 174 states and 202 transitions. [2018-02-04 03:01:53,130 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 03:01:53,131 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 202 transitions. [2018-02-04 03:01:53,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-02-04 03:01:53,132 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:53,132 INFO L351 BasicCegarLoop]: trace histogram [35, 26, 26, 26, 26, 26, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:53,132 INFO L371 AbstractCegarLoop]: === Iteration 24 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:53,133 INFO L82 PathProgramCache]: Analyzing trace with hash -923364178, now seen corresponding path program 15 times [2018-02-04 03:01:53,133 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:53,157 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:53,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2868 backedges. 307 proven. 419 refuted. 0 times theorem prover too weak. 2142 trivial. 0 not checked. [2018-02-04 03:01:53,359 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:53,359 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-02-04 03:01:53,360 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:53,360 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 37 proven. 112 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2018-02-04 03:01:53,360 INFO L182 omatonBuilderFactory]: Interpolants [5328#(<= 2 main_~i~1), 5329#(<= 3 main_~i~1), 5330#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 5331#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 5332#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 5333#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 5334#(<= |foo_#in~size| 2), 5324#true, 5325#false, 5326#(<= 0 main_~i~1), 5327#(<= 1 main_~i~1)] [2018-02-04 03:01:53,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2868 backedges. 307 proven. 419 refuted. 0 times theorem prover too weak. 2142 trivial. 0 not checked. [2018-02-04 03:01:53,361 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 03:01:53,362 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 03:01:53,362 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:01:53,362 INFO L87 Difference]: Start difference. First operand 174 states and 202 transitions. Second operand 11 states. [2018-02-04 03:01:53,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:53,566 INFO L93 Difference]: Finished difference Result 192 states and 218 transitions. [2018-02-04 03:01:53,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-04 03:01:53,566 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 283 [2018-02-04 03:01:53,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:53,567 INFO L225 Difference]: With dead ends: 192 [2018-02-04 03:01:53,567 INFO L226 Difference]: Without dead ends: 192 [2018-02-04 03:01:53,567 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:01:53,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2018-02-04 03:01:53,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 177. [2018-02-04 03:01:53,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-02-04 03:01:53,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 206 transitions. [2018-02-04 03:01:53,572 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 206 transitions. Word has length 283 [2018-02-04 03:01:53,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:53,573 INFO L432 AbstractCegarLoop]: Abstraction has 177 states and 206 transitions. [2018-02-04 03:01:53,573 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 03:01:53,573 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 206 transitions. [2018-02-04 03:01:53,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-02-04 03:01:53,575 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:53,575 INFO L351 BasicCegarLoop]: trace histogram [40, 31, 31, 31, 31, 31, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:53,575 INFO L371 AbstractCegarLoop]: === Iteration 25 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:53,575 INFO L82 PathProgramCache]: Analyzing trace with hash 2059980374, now seen corresponding path program 16 times [2018-02-04 03:01:53,576 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:53,607 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:53,787 INFO L134 CoverageAnalysis]: Checked inductivity of 3798 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 3564 trivial. 0 not checked. [2018-02-04 03:01:53,788 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:53,788 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 03:01:53,788 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:53,789 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2018-02-04 03:01:53,789 INFO L182 omatonBuilderFactory]: Interpolants [5712#(= main_~i~1 0), 5713#(<= main_~i~1 1), 5714#(<= main_~i~1 2), 5715#(<= main_~i~1 3), 5716#(<= main_~i~1 4), 5717#(<= main_~i~1 5), 5718#(<= main_~i~1 6), 5719#(<= main_~i~1 7), 5720#(<= main_~i~1 8), 5721#(<= main_~i~1 9), 5710#true, 5711#false] [2018-02-04 03:01:53,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3798 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 3564 trivial. 0 not checked. [2018-02-04 03:01:53,790 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:01:53,790 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:01:53,791 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:01:53,791 INFO L87 Difference]: Start difference. First operand 177 states and 206 transitions. Second operand 12 states. [2018-02-04 03:01:53,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:53,925 INFO L93 Difference]: Finished difference Result 255 states and 280 transitions. [2018-02-04 03:01:53,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 03:01:53,960 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 313 [2018-02-04 03:01:53,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:53,961 INFO L225 Difference]: With dead ends: 255 [2018-02-04 03:01:53,961 INFO L226 Difference]: Without dead ends: 255 [2018-02-04 03:01:53,962 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:01:53,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-02-04 03:01:53,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 188. [2018-02-04 03:01:53,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-02-04 03:01:53,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 220 transitions. [2018-02-04 03:01:53,968 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 220 transitions. Word has length 313 [2018-02-04 03:01:53,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:53,968 INFO L432 AbstractCegarLoop]: Abstraction has 188 states and 220 transitions. [2018-02-04 03:01:53,968 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:01:53,968 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 220 transitions. [2018-02-04 03:01:53,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2018-02-04 03:01:53,970 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:53,971 INFO L351 BasicCegarLoop]: trace histogram [45, 35, 35, 35, 35, 35, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:53,971 INFO L371 AbstractCegarLoop]: === Iteration 26 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:53,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1455300087, now seen corresponding path program 17 times [2018-02-04 03:01:53,972 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:53,999 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:54,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 866 proven. 191 refuted. 0 times theorem prover too weak. 3773 trivial. 0 not checked. [2018-02-04 03:01:54,254 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:54,254 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-02-04 03:01:54,254 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:54,255 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 179 proven. 26 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2018-02-04 03:01:54,255 INFO L182 omatonBuilderFactory]: Interpolants [6165#true, 6166#false, 6167#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 6168#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 6169#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 6170#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 6171#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 6172#(<= |foo_#in~size| 3), 6173#(<= main_~i~1 3), 6174#(<= main_~i~1 4), 6175#(<= main_~i~1 5)] [2018-02-04 03:01:54,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 866 proven. 191 refuted. 0 times theorem prover too weak. 3773 trivial. 0 not checked. [2018-02-04 03:01:54,257 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 03:01:54,257 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 03:01:54,257 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:01:54,257 INFO L87 Difference]: Start difference. First operand 188 states and 220 transitions. Second operand 11 states. [2018-02-04 03:01:54,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:54,430 INFO L93 Difference]: Finished difference Result 315 states and 375 transitions. [2018-02-04 03:01:54,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 03:01:54,430 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 349 [2018-02-04 03:01:54,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:54,432 INFO L225 Difference]: With dead ends: 315 [2018-02-04 03:01:54,432 INFO L226 Difference]: Without dead ends: 315 [2018-02-04 03:01:54,432 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:01:54,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2018-02-04 03:01:54,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 188. [2018-02-04 03:01:54,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-02-04 03:01:54,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 220 transitions. [2018-02-04 03:01:54,436 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 220 transitions. Word has length 349 [2018-02-04 03:01:54,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:54,437 INFO L432 AbstractCegarLoop]: Abstraction has 188 states and 220 transitions. [2018-02-04 03:01:54,437 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 03:01:54,437 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 220 transitions. [2018-02-04 03:01:54,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-02-04 03:01:54,438 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:54,438 INFO L351 BasicCegarLoop]: trace histogram [46, 36, 36, 36, 36, 36, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:54,438 INFO L371 AbstractCegarLoop]: === Iteration 27 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:54,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1944406335, now seen corresponding path program 18 times [2018-02-04 03:01:54,439 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:54,464 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:54,714 INFO L134 CoverageAnalysis]: Checked inductivity of 5060 backedges. 1165 proven. 70 refuted. 0 times theorem prover too weak. 3825 trivial. 0 not checked. [2018-02-04 03:01:54,714 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:54,714 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-02-04 03:01:54,714 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:54,715 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2018-02-04 03:01:54,716 INFO L182 omatonBuilderFactory]: Interpolants [6689#true, 6690#false, 6691#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 6692#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 6693#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 6694#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 6695#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 6696#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 6697#(<= |foo_#in~size| 4), 6698#(<= main_~i~1 4), 6699#(<= main_~i~1 5)] [2018-02-04 03:01:54,716 INFO L134 CoverageAnalysis]: Checked inductivity of 5060 backedges. 1165 proven. 70 refuted. 0 times theorem prover too weak. 3825 trivial. 0 not checked. [2018-02-04 03:01:54,716 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 03:01:54,717 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 03:01:54,717 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:01:54,717 INFO L87 Difference]: Start difference. First operand 188 states and 220 transitions. Second operand 11 states. [2018-02-04 03:01:54,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:54,898 INFO L93 Difference]: Finished difference Result 279 states and 343 transitions. [2018-02-04 03:01:54,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-04 03:01:54,899 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 355 [2018-02-04 03:01:54,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:54,900 INFO L225 Difference]: With dead ends: 279 [2018-02-04 03:01:54,901 INFO L226 Difference]: Without dead ends: 279 [2018-02-04 03:01:54,901 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:01:54,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-02-04 03:01:54,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 197. [2018-02-04 03:01:54,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-02-04 03:01:54,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 238 transitions. [2018-02-04 03:01:54,906 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 238 transitions. Word has length 355 [2018-02-04 03:01:54,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:54,907 INFO L432 AbstractCegarLoop]: Abstraction has 197 states and 238 transitions. [2018-02-04 03:01:54,907 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 03:01:54,907 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 238 transitions. [2018-02-04 03:01:54,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2018-02-04 03:01:54,909 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:54,909 INFO L351 BasicCegarLoop]: trace histogram [47, 37, 37, 37, 37, 37, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:54,909 INFO L371 AbstractCegarLoop]: === Iteration 28 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:54,909 INFO L82 PathProgramCache]: Analyzing trace with hash -162732601, now seen corresponding path program 19 times [2018-02-04 03:01:54,910 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:54,937 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:55,188 INFO L134 CoverageAnalysis]: Checked inductivity of 5296 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 5006 trivial. 0 not checked. [2018-02-04 03:01:55,188 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:55,188 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-04 03:01:55,189 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:55,189 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2018-02-04 03:01:55,189 INFO L182 omatonBuilderFactory]: Interpolants [7200#(<= main_~i~1 10), 7188#true, 7189#false, 7190#(= main_~i~1 0), 7191#(<= main_~i~1 1), 7192#(<= main_~i~1 2), 7193#(<= main_~i~1 3), 7194#(<= main_~i~1 4), 7195#(<= main_~i~1 5), 7196#(<= main_~i~1 6), 7197#(<= main_~i~1 7), 7198#(<= main_~i~1 8), 7199#(<= main_~i~1 9)] [2018-02-04 03:01:55,190 INFO L134 CoverageAnalysis]: Checked inductivity of 5296 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 5006 trivial. 0 not checked. [2018-02-04 03:01:55,190 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 03:01:55,190 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 03:01:55,190 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-02-04 03:01:55,190 INFO L87 Difference]: Start difference. First operand 197 states and 238 transitions. Second operand 13 states. [2018-02-04 03:01:55,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:55,309 INFO L93 Difference]: Finished difference Result 300 states and 347 transitions. [2018-02-04 03:01:55,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-04 03:01:55,309 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 361 [2018-02-04 03:01:55,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:55,311 INFO L225 Difference]: With dead ends: 300 [2018-02-04 03:01:55,311 INFO L226 Difference]: Without dead ends: 300 [2018-02-04 03:01:55,311 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-02-04 03:01:55,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2018-02-04 03:01:55,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 208. [2018-02-04 03:01:55,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-02-04 03:01:55,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 253 transitions. [2018-02-04 03:01:55,318 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 253 transitions. Word has length 361 [2018-02-04 03:01:55,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:55,318 INFO L432 AbstractCegarLoop]: Abstraction has 208 states and 253 transitions. [2018-02-04 03:01:55,318 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 03:01:55,318 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 253 transitions. [2018-02-04 03:01:55,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-02-04 03:01:55,320 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:55,321 INFO L351 BasicCegarLoop]: trace histogram [52, 41, 41, 41, 41, 41, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:55,321 INFO L371 AbstractCegarLoop]: === Iteration 29 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:55,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1615990632, now seen corresponding path program 20 times [2018-02-04 03:01:55,321 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:55,351 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:55,694 INFO L134 CoverageAnalysis]: Checked inductivity of 6504 backedges. 918 proven. 370 refuted. 0 times theorem prover too weak. 5216 trivial. 0 not checked. [2018-02-04 03:01:55,694 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:55,694 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 03:01:55,694 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:55,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 179 proven. 52 refuted. 0 times theorem prover too weak. 879 trivial. 0 not checked. [2018-02-04 03:01:55,695 INFO L182 omatonBuilderFactory]: Interpolants [7712#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 7713#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 7714#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 7715#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 7716#(<= |foo_#in~size| 3), 7717#(<= main_~i~1 3), 7718#(<= main_~i~1 4), 7719#(<= main_~i~1 5), 7720#(<= main_~i~1 6), 7709#true, 7710#false, 7711#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size))] [2018-02-04 03:01:55,695 INFO L134 CoverageAnalysis]: Checked inductivity of 6504 backedges. 918 proven. 370 refuted. 0 times theorem prover too weak. 5216 trivial. 0 not checked. [2018-02-04 03:01:55,695 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:01:55,696 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:01:55,696 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:01:55,696 INFO L87 Difference]: Start difference. First operand 208 states and 253 transitions. Second operand 12 states. [2018-02-04 03:01:55,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:55,884 INFO L93 Difference]: Finished difference Result 384 states and 495 transitions. [2018-02-04 03:01:55,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-04 03:01:55,884 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 397 [2018-02-04 03:01:55,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:55,887 INFO L225 Difference]: With dead ends: 384 [2018-02-04 03:01:55,887 INFO L226 Difference]: Without dead ends: 384 [2018-02-04 03:01:55,887 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:01:55,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2018-02-04 03:01:55,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 208. [2018-02-04 03:01:55,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-02-04 03:01:55,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 253 transitions. [2018-02-04 03:01:55,900 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 253 transitions. Word has length 397 [2018-02-04 03:01:55,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:55,901 INFO L432 AbstractCegarLoop]: Abstraction has 208 states and 253 transitions. [2018-02-04 03:01:55,901 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:01:55,901 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 253 transitions. [2018-02-04 03:01:55,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2018-02-04 03:01:55,904 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:55,904 INFO L351 BasicCegarLoop]: trace histogram [53, 42, 42, 42, 42, 42, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:55,904 INFO L371 AbstractCegarLoop]: === Iteration 30 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:55,904 INFO L82 PathProgramCache]: Analyzing trace with hash -284521808, now seen corresponding path program 21 times [2018-02-04 03:01:55,905 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:55,934 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:56,252 INFO L134 CoverageAnalysis]: Checked inductivity of 6772 backedges. 1223 proven. 281 refuted. 0 times theorem prover too weak. 5268 trivial. 0 not checked. [2018-02-04 03:01:56,252 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:56,252 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 03:01:56,252 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:56,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 199 proven. 32 refuted. 0 times theorem prover too weak. 879 trivial. 0 not checked. [2018-02-04 03:01:56,253 INFO L182 omatonBuilderFactory]: Interpolants [8323#true, 8324#false, 8325#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 8326#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 8327#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 8328#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 8329#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 8330#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 8331#(<= |foo_#in~size| 4), 8332#(<= main_~i~1 4), 8333#(<= main_~i~1 5), 8334#(<= main_~i~1 6)] [2018-02-04 03:01:56,254 INFO L134 CoverageAnalysis]: Checked inductivity of 6772 backedges. 1223 proven. 281 refuted. 0 times theorem prover too weak. 5268 trivial. 0 not checked. [2018-02-04 03:01:56,254 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:01:56,254 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:01:56,254 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:01:56,254 INFO L87 Difference]: Start difference. First operand 208 states and 253 transitions. Second operand 12 states. [2018-02-04 03:01:56,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:56,436 INFO L93 Difference]: Finished difference Result 349 states and 443 transitions. [2018-02-04 03:01:56,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-02-04 03:01:56,436 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 403 [2018-02-04 03:01:56,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:56,439 INFO L225 Difference]: With dead ends: 349 [2018-02-04 03:01:56,439 INFO L226 Difference]: Without dead ends: 349 [2018-02-04 03:01:56,439 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:01:56,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2018-02-04 03:01:56,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 208. [2018-02-04 03:01:56,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-02-04 03:01:56,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 253 transitions. [2018-02-04 03:01:56,447 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 253 transitions. Word has length 403 [2018-02-04 03:01:56,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:56,448 INFO L432 AbstractCegarLoop]: Abstraction has 208 states and 253 transitions. [2018-02-04 03:01:56,448 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:01:56,448 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 253 transitions. [2018-02-04 03:01:56,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2018-02-04 03:01:56,450 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:56,451 INFO L351 BasicCegarLoop]: trace histogram [54, 43, 43, 43, 43, 43, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:56,451 INFO L371 AbstractCegarLoop]: === Iteration 31 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:56,451 INFO L82 PathProgramCache]: Analyzing trace with hash 40105784, now seen corresponding path program 22 times [2018-02-04 03:01:56,452 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:56,480 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:56,745 INFO L134 CoverageAnalysis]: Checked inductivity of 7046 backedges. 1618 proven. 102 refuted. 0 times theorem prover too weak. 5326 trivial. 0 not checked. [2018-02-04 03:01:56,745 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:56,745 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 03:01:56,745 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:56,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1116 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 879 trivial. 0 not checked. [2018-02-04 03:01:56,746 INFO L182 omatonBuilderFactory]: Interpolants [8912#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 8913#(<= |foo_#in~size| 5), 8914#(<= main_~i~1 5), 8915#(<= main_~i~1 6), 8904#true, 8905#false, 8906#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 8907#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 8908#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 8909#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 8910#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 8911#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5))] [2018-02-04 03:01:56,746 INFO L134 CoverageAnalysis]: Checked inductivity of 7046 backedges. 1618 proven. 102 refuted. 0 times theorem prover too weak. 5326 trivial. 0 not checked. [2018-02-04 03:01:56,747 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:01:56,747 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:01:56,747 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:01:56,747 INFO L87 Difference]: Start difference. First operand 208 states and 253 transitions. Second operand 12 states. [2018-02-04 03:01:56,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:56,872 INFO L93 Difference]: Finished difference Result 307 states and 397 transitions. [2018-02-04 03:01:56,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 03:01:56,873 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 409 [2018-02-04 03:01:56,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:56,875 INFO L225 Difference]: With dead ends: 307 [2018-02-04 03:01:56,875 INFO L226 Difference]: Without dead ends: 307 [2018-02-04 03:01:56,875 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:01:56,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-02-04 03:01:56,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 217. [2018-02-04 03:01:56,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-02-04 03:01:56,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 272 transitions. [2018-02-04 03:01:56,882 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 272 transitions. Word has length 409 [2018-02-04 03:01:56,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:56,883 INFO L432 AbstractCegarLoop]: Abstraction has 217 states and 272 transitions. [2018-02-04 03:01:56,883 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:01:56,883 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 272 transitions. [2018-02-04 03:01:56,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2018-02-04 03:01:56,885 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:56,885 INFO L351 BasicCegarLoop]: trace histogram [55, 44, 44, 44, 44, 44, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:56,886 INFO L371 AbstractCegarLoop]: === Iteration 32 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:56,886 INFO L82 PathProgramCache]: Analyzing trace with hash 944076032, now seen corresponding path program 23 times [2018-02-04 03:01:56,886 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:56,914 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:57,231 INFO L134 CoverageAnalysis]: Checked inductivity of 7326 backedges. 550 proven. 902 refuted. 0 times theorem prover too weak. 5874 trivial. 0 not checked. [2018-02-04 03:01:57,231 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:57,231 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-04 03:01:57,231 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:57,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 63 proven. 165 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2018-02-04 03:01:57,232 INFO L182 omatonBuilderFactory]: Interpolants [9454#true, 9455#false, 9456#(<= 0 main_~i~1), 9457#(<= 1 main_~i~1), 9458#(<= 2 main_~i~1), 9459#(<= 3 main_~i~1), 9460#(<= 4 main_~i~1), 9461#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 9462#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 9463#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 9464#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 9465#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 9466#(<= |foo_#in~size| 3)] [2018-02-04 03:01:57,232 INFO L134 CoverageAnalysis]: Checked inductivity of 7326 backedges. 550 proven. 902 refuted. 0 times theorem prover too weak. 5874 trivial. 0 not checked. [2018-02-04 03:01:57,232 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 03:01:57,233 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 03:01:57,233 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-02-04 03:01:57,233 INFO L87 Difference]: Start difference. First operand 217 states and 272 transitions. Second operand 13 states. [2018-02-04 03:01:57,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:57,385 INFO L93 Difference]: Finished difference Result 237 states and 281 transitions. [2018-02-04 03:01:57,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 03:01:57,386 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 415 [2018-02-04 03:01:57,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:57,387 INFO L225 Difference]: With dead ends: 237 [2018-02-04 03:01:57,387 INFO L226 Difference]: Without dead ends: 237 [2018-02-04 03:01:57,387 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:01:57,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-02-04 03:01:57,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 217. [2018-02-04 03:01:57,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-02-04 03:01:57,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 265 transitions. [2018-02-04 03:01:57,393 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 265 transitions. Word has length 415 [2018-02-04 03:01:57,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:57,393 INFO L432 AbstractCegarLoop]: Abstraction has 217 states and 265 transitions. [2018-02-04 03:01:57,393 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 03:01:57,393 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 265 transitions. [2018-02-04 03:01:57,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-02-04 03:01:57,396 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:57,396 INFO L351 BasicCegarLoop]: trace histogram [59, 48, 48, 48, 48, 48, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:57,396 INFO L371 AbstractCegarLoop]: === Iteration 33 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:57,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1208160864, now seen corresponding path program 24 times [2018-02-04 03:01:57,397 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:57,428 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:57,726 INFO L134 CoverageAnalysis]: Checked inductivity of 8506 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 8154 trivial. 0 not checked. [2018-02-04 03:01:57,726 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:57,726 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 03:01:57,727 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:57,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1221 trivial. 0 not checked. [2018-02-04 03:01:57,727 INFO L182 omatonBuilderFactory]: Interpolants [9929#true, 9930#false, 9931#(= main_~i~1 0), 9932#(<= main_~i~1 1), 9933#(<= main_~i~1 2), 9934#(<= main_~i~1 3), 9935#(<= main_~i~1 4), 9936#(<= main_~i~1 5), 9937#(<= main_~i~1 6), 9938#(<= main_~i~1 7), 9939#(<= main_~i~1 8), 9940#(<= main_~i~1 9), 9941#(<= main_~i~1 10), 9942#(<= main_~i~1 11)] [2018-02-04 03:01:57,727 INFO L134 CoverageAnalysis]: Checked inductivity of 8506 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 8154 trivial. 0 not checked. [2018-02-04 03:01:57,728 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 03:01:57,728 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 03:01:57,728 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:01:57,728 INFO L87 Difference]: Start difference. First operand 217 states and 265 transitions. Second operand 14 states. [2018-02-04 03:01:57,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:57,843 INFO L93 Difference]: Finished difference Result 325 states and 378 transitions. [2018-02-04 03:01:57,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-04 03:01:57,843 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 439 [2018-02-04 03:01:57,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:57,845 INFO L225 Difference]: With dead ends: 325 [2018-02-04 03:01:57,845 INFO L226 Difference]: Without dead ends: 325 [2018-02-04 03:01:57,845 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:01:57,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-02-04 03:01:57,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 228. [2018-02-04 03:01:57,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-02-04 03:01:57,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 280 transitions. [2018-02-04 03:01:57,852 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 280 transitions. Word has length 439 [2018-02-04 03:01:57,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:57,853 INFO L432 AbstractCegarLoop]: Abstraction has 228 states and 280 transitions. [2018-02-04 03:01:57,853 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 03:01:57,853 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 280 transitions. [2018-02-04 03:01:57,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2018-02-04 03:01:57,856 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:57,856 INFO L351 BasicCegarLoop]: trace histogram [65, 53, 53, 53, 53, 53, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:57,857 INFO L371 AbstractCegarLoop]: === Iteration 34 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:57,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1519885879, now seen corresponding path program 25 times [2018-02-04 03:01:57,857 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:57,891 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:58,208 INFO L134 CoverageAnalysis]: Checked inductivity of 10356 backedges. 1409 proven. 530 refuted. 0 times theorem prover too weak. 8417 trivial. 0 not checked. [2018-02-04 03:01:58,208 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:58,208 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-04 03:01:58,209 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:58,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1530 backedges. 235 proven. 64 refuted. 0 times theorem prover too weak. 1231 trivial. 0 not checked. [2018-02-04 03:01:58,209 INFO L182 omatonBuilderFactory]: Interpolants [10496#true, 10497#false, 10498#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 10499#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 10500#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 10501#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 10502#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 10503#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 10504#(<= |foo_#in~size| 4), 10505#(<= main_~i~1 4), 10506#(<= main_~i~1 5), 10507#(<= main_~i~1 6), 10508#(<= main_~i~1 7)] [2018-02-04 03:01:58,209 INFO L134 CoverageAnalysis]: Checked inductivity of 10356 backedges. 1409 proven. 530 refuted. 0 times theorem prover too weak. 8417 trivial. 0 not checked. [2018-02-04 03:01:58,209 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 03:01:58,209 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 03:01:58,210 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2018-02-04 03:01:58,210 INFO L87 Difference]: Start difference. First operand 228 states and 280 transitions. Second operand 13 states. [2018-02-04 03:01:58,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:58,344 INFO L93 Difference]: Finished difference Result 424 states and 554 transitions. [2018-02-04 03:01:58,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 03:01:58,344 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 481 [2018-02-04 03:01:58,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:58,346 INFO L225 Difference]: With dead ends: 424 [2018-02-04 03:01:58,346 INFO L226 Difference]: Without dead ends: 424 [2018-02-04 03:01:58,346 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:01:58,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2018-02-04 03:01:58,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 228. [2018-02-04 03:01:58,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-02-04 03:01:58,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 280 transitions. [2018-02-04 03:01:58,352 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 280 transitions. Word has length 481 [2018-02-04 03:01:58,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:58,352 INFO L432 AbstractCegarLoop]: Abstraction has 228 states and 280 transitions. [2018-02-04 03:01:58,352 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 03:01:58,353 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 280 transitions. [2018-02-04 03:01:58,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2018-02-04 03:01:58,354 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:58,354 INFO L351 BasicCegarLoop]: trace histogram [66, 54, 54, 54, 54, 54, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:58,354 INFO L371 AbstractCegarLoop]: === Iteration 35 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:58,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1863901103, now seen corresponding path program 26 times [2018-02-04 03:01:58,355 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:58,374 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:58,717 INFO L134 CoverageAnalysis]: Checked inductivity of 10698 backedges. 1834 proven. 389 refuted. 0 times theorem prover too weak. 8475 trivial. 0 not checked. [2018-02-04 03:01:58,718 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:58,718 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-04 03:01:58,718 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:58,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1530 backedges. 261 proven. 38 refuted. 0 times theorem prover too weak. 1231 trivial. 0 not checked. [2018-02-04 03:01:58,719 INFO L182 omatonBuilderFactory]: Interpolants [11173#true, 11174#false, 11175#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 11176#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 11177#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 11178#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 11179#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 11180#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 11181#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 11182#(<= |foo_#in~size| 5), 11183#(<= main_~i~1 5), 11184#(<= main_~i~1 6), 11185#(<= main_~i~1 7)] [2018-02-04 03:01:58,719 INFO L134 CoverageAnalysis]: Checked inductivity of 10698 backedges. 1834 proven. 389 refuted. 0 times theorem prover too weak. 8475 trivial. 0 not checked. [2018-02-04 03:01:58,719 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 03:01:58,719 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 03:01:58,720 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-02-04 03:01:58,720 INFO L87 Difference]: Start difference. First operand 228 states and 280 transitions. Second operand 13 states. [2018-02-04 03:01:58,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:58,944 INFO L93 Difference]: Finished difference Result 383 states and 493 transitions. [2018-02-04 03:01:58,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 03:01:58,944 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 487 [2018-02-04 03:01:58,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:58,946 INFO L225 Difference]: With dead ends: 383 [2018-02-04 03:01:58,946 INFO L226 Difference]: Without dead ends: 383 [2018-02-04 03:01:58,946 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:01:58,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-02-04 03:01:58,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 228. [2018-02-04 03:01:58,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-02-04 03:01:58,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 280 transitions. [2018-02-04 03:01:58,951 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 280 transitions. Word has length 487 [2018-02-04 03:01:58,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:58,952 INFO L432 AbstractCegarLoop]: Abstraction has 228 states and 280 transitions. [2018-02-04 03:01:58,952 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 03:01:58,952 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 280 transitions. [2018-02-04 03:01:58,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2018-02-04 03:01:58,954 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:58,954 INFO L351 BasicCegarLoop]: trace histogram [67, 55, 55, 55, 55, 55, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:58,954 INFO L371 AbstractCegarLoop]: === Iteration 36 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:58,955 INFO L82 PathProgramCache]: Analyzing trace with hash 751206425, now seen corresponding path program 27 times [2018-02-04 03:01:58,955 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:58,975 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:59,306 INFO L134 CoverageAnalysis]: Checked inductivity of 11046 backedges. 2367 proven. 140 refuted. 0 times theorem prover too weak. 8539 trivial. 0 not checked. [2018-02-04 03:01:59,306 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:59,307 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-04 03:01:59,307 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:59,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1536 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 1231 trivial. 0 not checked. [2018-02-04 03:01:59,307 INFO L182 omatonBuilderFactory]: Interpolants [11811#true, 11812#false, 11813#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 11814#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 11815#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 11816#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 11817#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 11818#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 11819#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 11820#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 11821#(<= |foo_#in~size| 6), 11822#(<= main_~i~1 6), 11823#(<= main_~i~1 7)] [2018-02-04 03:01:59,307 INFO L134 CoverageAnalysis]: Checked inductivity of 11046 backedges. 2367 proven. 140 refuted. 0 times theorem prover too weak. 8539 trivial. 0 not checked. [2018-02-04 03:01:59,308 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 03:01:59,308 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 03:01:59,308 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2018-02-04 03:01:59,308 INFO L87 Difference]: Start difference. First operand 228 states and 280 transitions. Second operand 13 states. [2018-02-04 03:01:59,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:59,468 INFO L93 Difference]: Finished difference Result 335 states and 439 transitions. [2018-02-04 03:01:59,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 03:01:59,468 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 493 [2018-02-04 03:01:59,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:59,469 INFO L225 Difference]: With dead ends: 335 [2018-02-04 03:01:59,469 INFO L226 Difference]: Without dead ends: 335 [2018-02-04 03:01:59,470 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=140, Invalid=280, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:01:59,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2018-02-04 03:01:59,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 237. [2018-02-04 03:01:59,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-02-04 03:01:59,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 300 transitions. [2018-02-04 03:01:59,473 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 300 transitions. Word has length 493 [2018-02-04 03:01:59,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:59,474 INFO L432 AbstractCegarLoop]: Abstraction has 237 states and 300 transitions. [2018-02-04 03:01:59,474 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 03:01:59,474 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 300 transitions. [2018-02-04 03:01:59,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2018-02-04 03:01:59,476 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:59,476 INFO L351 BasicCegarLoop]: trace histogram [68, 56, 56, 56, 56, 56, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:59,476 INFO L371 AbstractCegarLoop]: === Iteration 37 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:59,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1593577761, now seen corresponding path program 28 times [2018-02-04 03:01:59,477 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:01:59,495 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:01:59,877 INFO L134 CoverageAnalysis]: Checked inductivity of 11400 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 10980 trivial. 0 not checked. [2018-02-04 03:01:59,877 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:01:59,877 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 03:01:59,878 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:01:59,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1533 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1533 trivial. 0 not checked. [2018-02-04 03:01:59,878 INFO L182 omatonBuilderFactory]: Interpolants [12416#(<= main_~i~1 2), 12417#(<= main_~i~1 3), 12418#(<= main_~i~1 4), 12419#(<= main_~i~1 5), 12420#(<= main_~i~1 6), 12421#(<= main_~i~1 7), 12422#(<= main_~i~1 8), 12423#(<= main_~i~1 9), 12424#(<= main_~i~1 10), 12425#(<= main_~i~1 11), 12426#(<= main_~i~1 12), 12412#true, 12413#false, 12414#(= main_~i~1 0), 12415#(<= main_~i~1 1)] [2018-02-04 03:01:59,878 INFO L134 CoverageAnalysis]: Checked inductivity of 11400 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 10980 trivial. 0 not checked. [2018-02-04 03:01:59,878 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 03:01:59,879 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 03:01:59,879 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:01:59,879 INFO L87 Difference]: Start difference. First operand 237 states and 300 transitions. Second operand 15 states. [2018-02-04 03:01:59,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:01:59,972 INFO L93 Difference]: Finished difference Result 376 states and 464 transitions. [2018-02-04 03:01:59,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 03:01:59,972 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 499 [2018-02-04 03:01:59,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:01:59,973 INFO L225 Difference]: With dead ends: 376 [2018-02-04 03:01:59,974 INFO L226 Difference]: Without dead ends: 376 [2018-02-04 03:01:59,974 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:01:59,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2018-02-04 03:01:59,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 248. [2018-02-04 03:01:59,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-02-04 03:01:59,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 316 transitions. [2018-02-04 03:01:59,977 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 316 transitions. Word has length 499 [2018-02-04 03:01:59,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:01:59,978 INFO L432 AbstractCegarLoop]: Abstraction has 248 states and 316 transitions. [2018-02-04 03:01:59,978 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 03:01:59,978 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 316 transitions. [2018-02-04 03:01:59,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2018-02-04 03:01:59,980 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:01:59,980 INFO L351 BasicCegarLoop]: trace histogram [74, 61, 61, 61, 61, 61, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:01:59,980 INFO L371 AbstractCegarLoop]: === Iteration 38 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:01:59,980 INFO L82 PathProgramCache]: Analyzing trace with hash 192428490, now seen corresponding path program 29 times [2018-02-04 03:01:59,981 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:01:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:00,000 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:00,352 INFO L134 CoverageAnalysis]: Checked inductivity of 13528 backedges. 1467 proven. 817 refuted. 0 times theorem prover too weak. 11244 trivial. 0 not checked. [2018-02-04 03:02:00,353 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:00,353 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 03:02:00,353 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:00,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1875 backedges. 235 proven. 96 refuted. 0 times theorem prover too weak. 1544 trivial. 0 not checked. [2018-02-04 03:02:00,354 INFO L182 omatonBuilderFactory]: Interpolants [13056#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 13057#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 13058#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 13059#(<= |foo_#in~size| 4), 13060#(<= main_~i~1 4), 13061#(<= main_~i~1 5), 13062#(<= main_~i~1 6), 13063#(<= main_~i~1 7), 13064#(<= main_~i~1 8), 13051#true, 13052#false, 13053#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 13054#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 13055#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2))] [2018-02-04 03:02:00,354 INFO L134 CoverageAnalysis]: Checked inductivity of 13528 backedges. 1467 proven. 817 refuted. 0 times theorem prover too weak. 11244 trivial. 0 not checked. [2018-02-04 03:02:00,354 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 03:02:00,355 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 03:02:00,355 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:02:00,355 INFO L87 Difference]: Start difference. First operand 248 states and 316 transitions. Second operand 14 states. [2018-02-04 03:02:00,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:00,520 INFO L93 Difference]: Finished difference Result 503 states and 710 transitions. [2018-02-04 03:02:00,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 03:02:00,521 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 541 [2018-02-04 03:02:00,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:00,524 INFO L225 Difference]: With dead ends: 503 [2018-02-04 03:02:00,524 INFO L226 Difference]: Without dead ends: 503 [2018-02-04 03:02:00,524 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:02:00,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2018-02-04 03:02:00,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 248. [2018-02-04 03:02:00,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-02-04 03:02:00,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 316 transitions. [2018-02-04 03:02:00,535 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 316 transitions. Word has length 541 [2018-02-04 03:02:00,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:00,535 INFO L432 AbstractCegarLoop]: Abstraction has 248 states and 316 transitions. [2018-02-04 03:02:00,535 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 03:02:00,535 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 316 transitions. [2018-02-04 03:02:00,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2018-02-04 03:02:00,539 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:00,539 INFO L351 BasicCegarLoop]: trace histogram [75, 62, 62, 62, 62, 62, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:00,539 INFO L371 AbstractCegarLoop]: === Iteration 39 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:00,540 INFO L82 PathProgramCache]: Analyzing trace with hash -778879918, now seen corresponding path program 30 times [2018-02-04 03:02:00,540 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:00,576 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:00,947 INFO L134 CoverageAnalysis]: Checked inductivity of 13920 backedges. 1898 proven. 720 refuted. 0 times theorem prover too weak. 11302 trivial. 0 not checked. [2018-02-04 03:02:00,947 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:00,947 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 03:02:00,947 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:00,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1881 backedges. 261 proven. 76 refuted. 0 times theorem prover too weak. 1544 trivial. 0 not checked. [2018-02-04 03:02:00,948 INFO L182 omatonBuilderFactory]: Interpolants [13828#true, 13829#false, 13830#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 13831#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 13832#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 13833#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 13834#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 13835#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 13836#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 13837#(<= |foo_#in~size| 5), 13838#(<= main_~i~1 5), 13839#(<= main_~i~1 6), 13840#(<= main_~i~1 7), 13841#(<= main_~i~1 8)] [2018-02-04 03:02:00,948 INFO L134 CoverageAnalysis]: Checked inductivity of 13920 backedges. 1898 proven. 720 refuted. 0 times theorem prover too weak. 11302 trivial. 0 not checked. [2018-02-04 03:02:00,948 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 03:02:00,948 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 03:02:00,948 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:02:00,948 INFO L87 Difference]: Start difference. First operand 248 states and 316 transitions. Second operand 14 states. [2018-02-04 03:02:01,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:01,095 INFO L93 Difference]: Finished difference Result 464 states and 648 transitions. [2018-02-04 03:02:01,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 03:02:01,095 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 547 [2018-02-04 03:02:01,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:01,097 INFO L225 Difference]: With dead ends: 464 [2018-02-04 03:02:01,097 INFO L226 Difference]: Without dead ends: 464 [2018-02-04 03:02:01,097 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:02:01,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2018-02-04 03:02:01,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 248. [2018-02-04 03:02:01,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-02-04 03:02:01,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 316 transitions. [2018-02-04 03:02:01,105 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 316 transitions. Word has length 547 [2018-02-04 03:02:01,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:01,106 INFO L432 AbstractCegarLoop]: Abstraction has 248 states and 316 transitions. [2018-02-04 03:02:01,106 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 03:02:01,106 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 316 transitions. [2018-02-04 03:02:01,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2018-02-04 03:02:01,112 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:01,112 INFO L351 BasicCegarLoop]: trace histogram [76, 63, 63, 63, 63, 63, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:01,113 INFO L371 AbstractCegarLoop]: === Iteration 40 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:01,113 INFO L82 PathProgramCache]: Analyzing trace with hash 258441242, now seen corresponding path program 31 times [2018-02-04 03:02:01,113 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:01,146 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:01,549 INFO L134 CoverageAnalysis]: Checked inductivity of 14318 backedges. 2437 proven. 515 refuted. 0 times theorem prover too weak. 11366 trivial. 0 not checked. [2018-02-04 03:02:01,550 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:01,550 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 03:02:01,550 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:01,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 305 proven. 44 refuted. 0 times theorem prover too weak. 1544 trivial. 0 not checked. [2018-02-04 03:02:01,550 INFO L182 omatonBuilderFactory]: Interpolants [14568#true, 14569#false, 14570#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 14571#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 14572#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 14573#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 14574#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 14575#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 14576#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 14577#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 14578#(<= |foo_#in~size| 6), 14579#(<= main_~i~1 6), 14580#(<= main_~i~1 7), 14581#(<= main_~i~1 8)] [2018-02-04 03:02:01,551 INFO L134 CoverageAnalysis]: Checked inductivity of 14318 backedges. 2437 proven. 515 refuted. 0 times theorem prover too weak. 11366 trivial. 0 not checked. [2018-02-04 03:02:01,551 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 03:02:01,551 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 03:02:01,551 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:02:01,551 INFO L87 Difference]: Start difference. First operand 248 states and 316 transitions. Second operand 14 states. [2018-02-04 03:02:01,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:01,682 INFO L93 Difference]: Finished difference Result 417 states and 570 transitions. [2018-02-04 03:02:01,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:02:01,683 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 553 [2018-02-04 03:02:01,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:01,684 INFO L225 Difference]: With dead ends: 417 [2018-02-04 03:02:01,684 INFO L226 Difference]: Without dead ends: 417 [2018-02-04 03:02:01,685 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:02:01,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2018-02-04 03:02:01,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 248. [2018-02-04 03:02:01,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-02-04 03:02:01,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 316 transitions. [2018-02-04 03:02:01,691 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 316 transitions. Word has length 553 [2018-02-04 03:02:01,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:01,692 INFO L432 AbstractCegarLoop]: Abstraction has 248 states and 316 transitions. [2018-02-04 03:02:01,692 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 03:02:01,692 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 316 transitions. [2018-02-04 03:02:01,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2018-02-04 03:02:01,695 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:01,696 INFO L351 BasicCegarLoop]: trace histogram [77, 64, 64, 64, 64, 64, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:01,696 INFO L371 AbstractCegarLoop]: === Iteration 41 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:01,696 INFO L82 PathProgramCache]: Analyzing trace with hash -273509086, now seen corresponding path program 32 times [2018-02-04 03:02:01,697 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:01,729 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:02,204 INFO L134 CoverageAnalysis]: Checked inductivity of 14722 backedges. 3102 proven. 184 refuted. 0 times theorem prover too weak. 11436 trivial. 0 not checked. [2018-02-04 03:02:02,204 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:02,204 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 03:02:02,204 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:02,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1899 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 1544 trivial. 0 not checked. [2018-02-04 03:02:02,205 INFO L182 omatonBuilderFactory]: Interpolants [15264#false, 15265#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 15266#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 15267#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 15268#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 15269#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 15270#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 15271#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 15272#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 15273#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 15274#(<= |foo_#in~size| 7), 15275#(<= main_~i~1 7), 15276#(<= main_~i~1 8), 15263#true] [2018-02-04 03:02:02,205 INFO L134 CoverageAnalysis]: Checked inductivity of 14722 backedges. 3102 proven. 184 refuted. 0 times theorem prover too weak. 11436 trivial. 0 not checked. [2018-02-04 03:02:02,205 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 03:02:02,205 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 03:02:02,205 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:02:02,205 INFO L87 Difference]: Start difference. First operand 248 states and 316 transitions. Second operand 14 states. [2018-02-04 03:02:02,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:02,368 INFO L93 Difference]: Finished difference Result 363 states and 499 transitions. [2018-02-04 03:02:02,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 03:02:02,368 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 559 [2018-02-04 03:02:02,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:02,370 INFO L225 Difference]: With dead ends: 363 [2018-02-04 03:02:02,370 INFO L226 Difference]: Without dead ends: 363 [2018-02-04 03:02:02,370 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=170, Invalid=336, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:02:02,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-02-04 03:02:02,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 257. [2018-02-04 03:02:02,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-02-04 03:02:02,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 337 transitions. [2018-02-04 03:02:02,376 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 337 transitions. Word has length 559 [2018-02-04 03:02:02,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:02,376 INFO L432 AbstractCegarLoop]: Abstraction has 257 states and 337 transitions. [2018-02-04 03:02:02,376 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 03:02:02,376 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 337 transitions. [2018-02-04 03:02:02,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2018-02-04 03:02:02,380 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:02,380 INFO L351 BasicCegarLoop]: trace histogram [78, 65, 65, 65, 65, 65, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:02,380 INFO L371 AbstractCegarLoop]: === Iteration 42 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:02,380 INFO L82 PathProgramCache]: Analyzing trace with hash -2327702, now seen corresponding path program 33 times [2018-02-04 03:02:02,381 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:02,412 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:02,811 INFO L134 CoverageAnalysis]: Checked inductivity of 15132 backedges. 895 proven. 1615 refuted. 0 times theorem prover too weak. 12622 trivial. 0 not checked. [2018-02-04 03:02:02,811 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:02,811 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 03:02:02,812 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:02,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1896 backedges. 95 proven. 233 refuted. 0 times theorem prover too weak. 1568 trivial. 0 not checked. [2018-02-04 03:02:02,812 INFO L182 omatonBuilderFactory]: Interpolants [15915#true, 15916#false, 15917#(<= 0 main_~i~1), 15918#(<= 1 main_~i~1), 15919#(<= 2 main_~i~1), 15920#(<= 3 main_~i~1), 15921#(<= 4 main_~i~1), 15922#(<= 5 main_~i~1), 15923#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 15924#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 15925#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 15926#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 15927#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 15928#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 15929#(<= |foo_#in~size| 4)] [2018-02-04 03:02:02,812 INFO L134 CoverageAnalysis]: Checked inductivity of 15132 backedges. 895 proven. 1615 refuted. 0 times theorem prover too weak. 12622 trivial. 0 not checked. [2018-02-04 03:02:02,812 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 03:02:02,812 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 03:02:02,812 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:02:02,813 INFO L87 Difference]: Start difference. First operand 257 states and 337 transitions. Second operand 15 states. [2018-02-04 03:02:03,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:03,077 INFO L93 Difference]: Finished difference Result 282 states and 349 transitions. [2018-02-04 03:02:03,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 03:02:03,078 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 565 [2018-02-04 03:02:03,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:03,079 INFO L225 Difference]: With dead ends: 282 [2018-02-04 03:02:03,079 INFO L226 Difference]: Without dead ends: 282 [2018-02-04 03:02:03,080 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:02:03,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2018-02-04 03:02:03,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 257. [2018-02-04 03:02:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-02-04 03:02:03,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 329 transitions. [2018-02-04 03:02:03,084 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 329 transitions. Word has length 565 [2018-02-04 03:02:03,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:03,084 INFO L432 AbstractCegarLoop]: Abstraction has 257 states and 329 transitions. [2018-02-04 03:02:03,084 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 03:02:03,085 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 329 transitions. [2018-02-04 03:02:03,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2018-02-04 03:02:03,087 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:03,087 INFO L351 BasicCegarLoop]: trace histogram [82, 69, 69, 69, 69, 69, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:03,087 INFO L371 AbstractCegarLoop]: === Iteration 43 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:03,087 INFO L82 PathProgramCache]: Analyzing trace with hash 912832778, now seen corresponding path program 34 times [2018-02-04 03:02:03,088 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:03,120 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:03,511 INFO L134 CoverageAnalysis]: Checked inductivity of 16832 backedges. 0 proven. 494 refuted. 0 times theorem prover too weak. 16338 trivial. 0 not checked. [2018-02-04 03:02:03,511 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:03,512 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:02:03,512 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:03,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2028 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2028 trivial. 0 not checked. [2018-02-04 03:02:03,512 INFO L182 omatonBuilderFactory]: Interpolants [16480#false, 16481#(= main_~i~1 0), 16482#(<= main_~i~1 1), 16483#(<= main_~i~1 2), 16484#(<= main_~i~1 3), 16485#(<= main_~i~1 4), 16486#(<= main_~i~1 5), 16487#(<= main_~i~1 6), 16488#(<= main_~i~1 7), 16489#(<= main_~i~1 8), 16490#(<= main_~i~1 9), 16491#(<= main_~i~1 10), 16492#(<= main_~i~1 11), 16493#(<= main_~i~1 12), 16494#(<= main_~i~1 13), 16479#true] [2018-02-04 03:02:03,512 INFO L134 CoverageAnalysis]: Checked inductivity of 16832 backedges. 0 proven. 494 refuted. 0 times theorem prover too weak. 16338 trivial. 0 not checked. [2018-02-04 03:02:03,512 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:02:03,513 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:02:03,513 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:02:03,513 INFO L87 Difference]: Start difference. First operand 257 states and 329 transitions. Second operand 16 states. [2018-02-04 03:02:03,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:03,619 INFO L93 Difference]: Finished difference Result 401 states and 497 transitions. [2018-02-04 03:02:03,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 03:02:03,619 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 589 [2018-02-04 03:02:03,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:03,621 INFO L225 Difference]: With dead ends: 401 [2018-02-04 03:02:03,621 INFO L226 Difference]: Without dead ends: 401 [2018-02-04 03:02:03,621 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:02:03,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-02-04 03:02:03,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 268. [2018-02-04 03:02:03,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-02-04 03:02:03,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 345 transitions. [2018-02-04 03:02:03,627 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 345 transitions. Word has length 589 [2018-02-04 03:02:03,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:03,627 INFO L432 AbstractCegarLoop]: Abstraction has 268 states and 345 transitions. [2018-02-04 03:02:03,627 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:02:03,628 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 345 transitions. [2018-02-04 03:02:03,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 638 [2018-02-04 03:02:03,632 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:03,632 INFO L351 BasicCegarLoop]: trace histogram [89, 75, 75, 75, 75, 75, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:03,632 INFO L371 AbstractCegarLoop]: === Iteration 44 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:03,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1858343931, now seen corresponding path program 35 times [2018-02-04 03:02:03,633 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:03,669 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:04,125 INFO L134 CoverageAnalysis]: Checked inductivity of 19870 backedges. 2114 proven. 1095 refuted. 0 times theorem prover too weak. 16661 trivial. 0 not checked. [2018-02-04 03:02:04,125 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:04,126 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 03:02:04,126 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:04,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2451 backedges. 297 proven. 114 refuted. 0 times theorem prover too weak. 2040 trivial. 0 not checked. [2018-02-04 03:02:04,126 INFO L182 omatonBuilderFactory]: Interpolants [17164#true, 17165#false, 17166#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 17167#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 17168#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 17169#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 17170#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 17171#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 17172#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 17173#(<= |foo_#in~size| 5), 17174#(<= main_~i~1 5), 17175#(<= main_~i~1 6), 17176#(<= main_~i~1 7), 17177#(<= main_~i~1 8), 17178#(<= main_~i~1 9)] [2018-02-04 03:02:04,127 INFO L134 CoverageAnalysis]: Checked inductivity of 19870 backedges. 2114 proven. 1095 refuted. 0 times theorem prover too weak. 16661 trivial. 0 not checked. [2018-02-04 03:02:04,127 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 03:02:04,127 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 03:02:04,127 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:02:04,127 INFO L87 Difference]: Start difference. First operand 268 states and 345 transitions. Second operand 15 states. [2018-02-04 03:02:04,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:04,295 INFO L93 Difference]: Finished difference Result 549 states and 787 transitions. [2018-02-04 03:02:04,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:02:04,295 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 637 [2018-02-04 03:02:04,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:04,297 INFO L225 Difference]: With dead ends: 549 [2018-02-04 03:02:04,298 INFO L226 Difference]: Without dead ends: 549 [2018-02-04 03:02:04,298 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:02:04,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2018-02-04 03:02:04,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 268. [2018-02-04 03:02:04,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-02-04 03:02:04,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 345 transitions. [2018-02-04 03:02:04,306 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 345 transitions. Word has length 637 [2018-02-04 03:02:04,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:04,307 INFO L432 AbstractCegarLoop]: Abstraction has 268 states and 345 transitions. [2018-02-04 03:02:04,307 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 03:02:04,307 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 345 transitions. [2018-02-04 03:02:04,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2018-02-04 03:02:04,311 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:04,312 INFO L351 BasicCegarLoop]: trace histogram [90, 76, 76, 76, 76, 76, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:04,312 INFO L371 AbstractCegarLoop]: === Iteration 45 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:04,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1904767549, now seen corresponding path program 36 times [2018-02-04 03:02:04,313 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:04,350 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:04,775 INFO L134 CoverageAnalysis]: Checked inductivity of 20348 backedges. 2683 proven. 940 refuted. 0 times theorem prover too weak. 16725 trivial. 0 not checked. [2018-02-04 03:02:04,775 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:04,776 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 03:02:04,776 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:04,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2457 backedges. 329 proven. 88 refuted. 0 times theorem prover too weak. 2040 trivial. 0 not checked. [2018-02-04 03:02:04,776 INFO L182 omatonBuilderFactory]: Interpolants [18016#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 18017#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 18018#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 18019#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 18020#(<= |foo_#in~size| 6), 18021#(<= main_~i~1 6), 18022#(<= main_~i~1 7), 18023#(<= main_~i~1 8), 18024#(<= main_~i~1 9), 18010#true, 18011#false, 18012#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 18013#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 18014#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 18015#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3))] [2018-02-04 03:02:04,777 INFO L134 CoverageAnalysis]: Checked inductivity of 20348 backedges. 2683 proven. 940 refuted. 0 times theorem prover too weak. 16725 trivial. 0 not checked. [2018-02-04 03:02:04,777 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 03:02:04,777 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 03:02:04,777 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:02:04,777 INFO L87 Difference]: Start difference. First operand 268 states and 345 transitions. Second operand 15 states. [2018-02-04 03:02:04,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:04,922 INFO L93 Difference]: Finished difference Result 504 states and 715 transitions. [2018-02-04 03:02:04,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 03:02:04,922 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 643 [2018-02-04 03:02:04,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:04,924 INFO L225 Difference]: With dead ends: 504 [2018-02-04 03:02:04,925 INFO L226 Difference]: Without dead ends: 504 [2018-02-04 03:02:04,925 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=149, Invalid=357, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:02:04,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2018-02-04 03:02:04,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 268. [2018-02-04 03:02:04,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-02-04 03:02:04,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 345 transitions. [2018-02-04 03:02:04,930 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 345 transitions. Word has length 643 [2018-02-04 03:02:04,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:04,930 INFO L432 AbstractCegarLoop]: Abstraction has 268 states and 345 transitions. [2018-02-04 03:02:04,930 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 03:02:04,930 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 345 transitions. [2018-02-04 03:02:04,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2018-02-04 03:02:04,933 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:04,933 INFO L351 BasicCegarLoop]: trace histogram [91, 77, 77, 77, 77, 77, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:04,933 INFO L371 AbstractCegarLoop]: === Iteration 46 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:04,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1208842037, now seen corresponding path program 37 times [2018-02-04 03:02:04,934 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:04,956 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:05,360 INFO L134 CoverageAnalysis]: Checked inductivity of 20832 backedges. 3378 proven. 659 refuted. 0 times theorem prover too weak. 16795 trivial. 0 not checked. [2018-02-04 03:02:05,361 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:05,361 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 03:02:05,361 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:05,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2469 backedges. 379 proven. 50 refuted. 0 times theorem prover too weak. 2040 trivial. 0 not checked. [2018-02-04 03:02:05,361 INFO L182 omatonBuilderFactory]: Interpolants [18816#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 18817#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 18818#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 18819#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 18820#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 18821#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 18822#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 18823#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 18824#(<= |foo_#in~size| 7), 18825#(<= main_~i~1 7), 18826#(<= main_~i~1 8), 18827#(<= main_~i~1 9), 18813#true, 18814#false, 18815#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size))] [2018-02-04 03:02:05,362 INFO L134 CoverageAnalysis]: Checked inductivity of 20832 backedges. 3378 proven. 659 refuted. 0 times theorem prover too weak. 16795 trivial. 0 not checked. [2018-02-04 03:02:05,362 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 03:02:05,362 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 03:02:05,362 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:02:05,362 INFO L87 Difference]: Start difference. First operand 268 states and 345 transitions. Second operand 15 states. [2018-02-04 03:02:05,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:05,519 INFO L93 Difference]: Finished difference Result 451 states and 626 transitions. [2018-02-04 03:02:05,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 03:02:05,519 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 649 [2018-02-04 03:02:05,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:05,522 INFO L225 Difference]: With dead ends: 451 [2018-02-04 03:02:05,522 INFO L226 Difference]: Without dead ends: 451 [2018-02-04 03:02:05,522 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=174, Invalid=378, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:02:05,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2018-02-04 03:02:05,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 268. [2018-02-04 03:02:05,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-02-04 03:02:05,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 345 transitions. [2018-02-04 03:02:05,526 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 345 transitions. Word has length 649 [2018-02-04 03:02:05,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:05,527 INFO L432 AbstractCegarLoop]: Abstraction has 268 states and 345 transitions. [2018-02-04 03:02:05,527 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 03:02:05,527 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 345 transitions. [2018-02-04 03:02:05,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2018-02-04 03:02:05,531 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:05,531 INFO L351 BasicCegarLoop]: trace histogram [92, 78, 78, 78, 78, 78, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:05,531 INFO L371 AbstractCegarLoop]: === Iteration 47 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:05,532 INFO L82 PathProgramCache]: Analyzing trace with hash -2028141293, now seen corresponding path program 38 times [2018-02-04 03:02:05,532 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:05,561 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:06,012 INFO L134 CoverageAnalysis]: Checked inductivity of 21322 backedges. 4217 proven. 234 refuted. 0 times theorem prover too weak. 16871 trivial. 0 not checked. [2018-02-04 03:02:06,012 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:06,012 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 03:02:06,012 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:06,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2475 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 2040 trivial. 0 not checked. [2018-02-04 03:02:06,012 INFO L182 omatonBuilderFactory]: Interpolants [19565#true, 19566#false, 19567#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 19568#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 19569#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 19570#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 19571#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 19572#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 19573#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 19574#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 19575#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 19576#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 19577#(<= |foo_#in~size| 8), 19578#(<= main_~i~1 8), 19579#(<= main_~i~1 9)] [2018-02-04 03:02:06,013 INFO L134 CoverageAnalysis]: Checked inductivity of 21322 backedges. 4217 proven. 234 refuted. 0 times theorem prover too weak. 16871 trivial. 0 not checked. [2018-02-04 03:02:06,013 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 03:02:06,013 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 03:02:06,013 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:02:06,013 INFO L87 Difference]: Start difference. First operand 268 states and 345 transitions. Second operand 15 states. [2018-02-04 03:02:06,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:06,195 INFO L93 Difference]: Finished difference Result 391 states and 545 transitions. [2018-02-04 03:02:06,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:02:06,195 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 655 [2018-02-04 03:02:06,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:06,197 INFO L225 Difference]: With dead ends: 391 [2018-02-04 03:02:06,197 INFO L226 Difference]: Without dead ends: 391 [2018-02-04 03:02:06,197 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=203, Invalid=397, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:02:06,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2018-02-04 03:02:06,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 277. [2018-02-04 03:02:06,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-02-04 03:02:06,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 367 transitions. [2018-02-04 03:02:06,201 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 367 transitions. Word has length 655 [2018-02-04 03:02:06,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:06,201 INFO L432 AbstractCegarLoop]: Abstraction has 277 states and 367 transitions. [2018-02-04 03:02:06,201 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 03:02:06,201 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 367 transitions. [2018-02-04 03:02:06,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2018-02-04 03:02:06,204 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:06,204 INFO L351 BasicCegarLoop]: trace histogram [93, 79, 79, 79, 79, 79, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:06,204 INFO L371 AbstractCegarLoop]: === Iteration 48 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:06,204 INFO L82 PathProgramCache]: Analyzing trace with hash -2143980901, now seen corresponding path program 39 times [2018-02-04 03:02:06,204 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:06,225 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:06,668 INFO L134 CoverageAnalysis]: Checked inductivity of 21818 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 21244 trivial. 0 not checked. [2018-02-04 03:02:06,669 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:06,669 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 03:02:06,669 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:06,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2472 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2472 trivial. 0 not checked. [2018-02-04 03:02:06,669 INFO L182 omatonBuilderFactory]: Interpolants [20268#true, 20269#false, 20270#(= main_~i~1 0), 20271#(<= main_~i~1 1), 20272#(<= main_~i~1 2), 20273#(<= main_~i~1 3), 20274#(<= main_~i~1 4), 20275#(<= main_~i~1 5), 20276#(<= main_~i~1 6), 20277#(<= main_~i~1 7), 20278#(<= main_~i~1 8), 20279#(<= main_~i~1 9), 20280#(<= main_~i~1 10), 20281#(<= main_~i~1 11), 20282#(<= main_~i~1 12), 20283#(<= main_~i~1 13), 20284#(<= main_~i~1 14)] [2018-02-04 03:02:06,670 INFO L134 CoverageAnalysis]: Checked inductivity of 21818 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 21244 trivial. 0 not checked. [2018-02-04 03:02:06,670 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:02:06,670 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:02:06,670 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:02:06,670 INFO L87 Difference]: Start difference. First operand 277 states and 367 transitions. Second operand 17 states. [2018-02-04 03:02:06,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:06,799 INFO L93 Difference]: Finished difference Result 458 states and 605 transitions. [2018-02-04 03:02:06,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-04 03:02:06,799 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 661 [2018-02-04 03:02:06,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:06,801 INFO L225 Difference]: With dead ends: 458 [2018-02-04 03:02:06,801 INFO L226 Difference]: Without dead ends: 458 [2018-02-04 03:02:06,801 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:02:06,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2018-02-04 03:02:06,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 288. [2018-02-04 03:02:06,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2018-02-04 03:02:06,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 384 transitions. [2018-02-04 03:02:06,810 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 384 transitions. Word has length 661 [2018-02-04 03:02:06,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:06,810 INFO L432 AbstractCegarLoop]: Abstraction has 288 states and 384 transitions. [2018-02-04 03:02:06,810 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:02:06,811 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 384 transitions. [2018-02-04 03:02:06,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 710 [2018-02-04 03:02:06,815 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:06,816 INFO L351 BasicCegarLoop]: trace histogram [100, 85, 85, 85, 85, 85, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:06,816 INFO L371 AbstractCegarLoop]: === Iteration 49 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:06,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1727743116, now seen corresponding path program 40 times [2018-02-04 03:02:06,816 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:06,853 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:07,389 INFO L134 CoverageAnalysis]: Checked inductivity of 25260 backedges. 2178 proven. 1514 refuted. 0 times theorem prover too weak. 21568 trivial. 0 not checked. [2018-02-04 03:02:07,389 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:07,389 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:02:07,389 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:07,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2934 backedges. 297 proven. 152 refuted. 0 times theorem prover too weak. 2485 trivial. 0 not checked. [2018-02-04 03:02:07,390 INFO L182 omatonBuilderFactory]: Interpolants [21031#true, 21032#false, 21033#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 21034#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 21035#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 21036#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 21037#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 21038#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 21039#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 21040#(<= |foo_#in~size| 5), 21041#(<= main_~i~1 5), 21042#(<= main_~i~1 6), 21043#(<= main_~i~1 7), 21044#(<= main_~i~1 8), 21045#(<= main_~i~1 9), 21046#(<= main_~i~1 10)] [2018-02-04 03:02:07,390 INFO L134 CoverageAnalysis]: Checked inductivity of 25260 backedges. 2178 proven. 1514 refuted. 0 times theorem prover too weak. 21568 trivial. 0 not checked. [2018-02-04 03:02:07,390 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:02:07,390 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:02:07,390 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:02:07,390 INFO L87 Difference]: Start difference. First operand 288 states and 384 transitions. Second operand 16 states. [2018-02-04 03:02:07,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:07,562 INFO L93 Difference]: Finished difference Result 634 states and 979 transitions. [2018-02-04 03:02:07,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 03:02:07,562 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 709 [2018-02-04 03:02:07,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:07,565 INFO L225 Difference]: With dead ends: 634 [2018-02-04 03:02:07,565 INFO L226 Difference]: Without dead ends: 634 [2018-02-04 03:02:07,566 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=135, Invalid=371, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:02:07,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2018-02-04 03:02:07,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 288. [2018-02-04 03:02:07,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2018-02-04 03:02:07,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 384 transitions. [2018-02-04 03:02:07,576 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 384 transitions. Word has length 709 [2018-02-04 03:02:07,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:07,576 INFO L432 AbstractCegarLoop]: Abstraction has 288 states and 384 transitions. [2018-02-04 03:02:07,576 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:02:07,577 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 384 transitions. [2018-02-04 03:02:07,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 716 [2018-02-04 03:02:07,579 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:07,580 INFO L351 BasicCegarLoop]: trace histogram [101, 86, 86, 86, 86, 86, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:07,580 INFO L371 AbstractCegarLoop]: === Iteration 50 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:07,580 INFO L82 PathProgramCache]: Analyzing trace with hash 757741140, now seen corresponding path program 41 times [2018-02-04 03:02:07,580 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:07,603 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:08,090 INFO L134 CoverageAnalysis]: Checked inductivity of 25800 backedges. 2753 proven. 1415 refuted. 0 times theorem prover too weak. 21632 trivial. 0 not checked. [2018-02-04 03:02:08,090 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:08,090 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:02:08,090 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:08,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2946 backedges. 329 proven. 132 refuted. 0 times theorem prover too weak. 2485 trivial. 0 not checked. [2018-02-04 03:02:08,091 INFO L182 omatonBuilderFactory]: Interpolants [21984#false, 21985#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 21986#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 21987#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 21988#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 21989#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 21990#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 21991#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 21992#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 21993#(<= |foo_#in~size| 6), 21994#(<= main_~i~1 6), 21995#(<= main_~i~1 7), 21996#(<= main_~i~1 8), 21997#(<= main_~i~1 9), 21998#(<= main_~i~1 10), 21983#true] [2018-02-04 03:02:08,091 INFO L134 CoverageAnalysis]: Checked inductivity of 25800 backedges. 2753 proven. 1415 refuted. 0 times theorem prover too weak. 21632 trivial. 0 not checked. [2018-02-04 03:02:08,091 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:02:08,091 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:02:08,091 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:02:08,091 INFO L87 Difference]: Start difference. First operand 288 states and 384 transitions. Second operand 16 states. [2018-02-04 03:02:08,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:08,279 INFO L93 Difference]: Finished difference Result 595 states and 911 transitions. [2018-02-04 03:02:08,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 03:02:08,279 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 715 [2018-02-04 03:02:08,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:08,282 INFO L225 Difference]: With dead ends: 595 [2018-02-04 03:02:08,282 INFO L226 Difference]: Without dead ends: 595 [2018-02-04 03:02:08,282 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:02:08,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2018-02-04 03:02:08,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 288. [2018-02-04 03:02:08,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2018-02-04 03:02:08,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 384 transitions. [2018-02-04 03:02:08,291 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 384 transitions. Word has length 715 [2018-02-04 03:02:08,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:08,291 INFO L432 AbstractCegarLoop]: Abstraction has 288 states and 384 transitions. [2018-02-04 03:02:08,292 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:02:08,292 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 384 transitions. [2018-02-04 03:02:08,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2018-02-04 03:02:08,295 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:08,295 INFO L351 BasicCegarLoop]: trace histogram [102, 87, 87, 87, 87, 87, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:08,295 INFO L371 AbstractCegarLoop]: === Iteration 51 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:08,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1350658396, now seen corresponding path program 42 times [2018-02-04 03:02:08,296 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:08,321 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:08,812 INFO L134 CoverageAnalysis]: Checked inductivity of 26346 backedges. 3454 proven. 1190 refuted. 0 times theorem prover too weak. 21702 trivial. 0 not checked. [2018-02-04 03:02:08,812 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:08,812 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:02:08,812 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:08,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2964 backedges. 379 proven. 100 refuted. 0 times theorem prover too weak. 2485 trivial. 0 not checked. [2018-02-04 03:02:08,813 INFO L182 omatonBuilderFactory]: Interpolants [22912#(<= main_~i~1 9), 22913#(<= main_~i~1 10), 22898#true, 22899#false, 22900#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 22901#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 22902#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 22903#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 22904#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 22905#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 22906#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 22907#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 22908#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 22909#(<= |foo_#in~size| 7), 22910#(<= main_~i~1 7), 22911#(<= main_~i~1 8)] [2018-02-04 03:02:08,813 INFO L134 CoverageAnalysis]: Checked inductivity of 26346 backedges. 3454 proven. 1190 refuted. 0 times theorem prover too weak. 21702 trivial. 0 not checked. [2018-02-04 03:02:08,813 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:02:08,814 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:02:08,814 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:02:08,814 INFO L87 Difference]: Start difference. First operand 288 states and 384 transitions. Second operand 16 states. [2018-02-04 03:02:08,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:08,994 INFO L93 Difference]: Finished difference Result 544 states and 821 transitions. [2018-02-04 03:02:08,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:02:08,995 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 721 [2018-02-04 03:02:08,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:08,997 INFO L225 Difference]: With dead ends: 544 [2018-02-04 03:02:08,997 INFO L226 Difference]: Without dead ends: 544 [2018-02-04 03:02:08,997 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:02:08,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2018-02-04 03:02:09,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 288. [2018-02-04 03:02:09,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2018-02-04 03:02:09,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 384 transitions. [2018-02-04 03:02:09,002 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 384 transitions. Word has length 721 [2018-02-04 03:02:09,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:09,003 INFO L432 AbstractCegarLoop]: Abstraction has 288 states and 384 transitions. [2018-02-04 03:02:09,003 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:02:09,003 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 384 transitions. [2018-02-04 03:02:09,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 728 [2018-02-04 03:02:09,006 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:09,006 INFO L351 BasicCegarLoop]: trace histogram [103, 88, 88, 88, 88, 88, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:09,006 INFO L371 AbstractCegarLoop]: === Iteration 52 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:09,007 INFO L82 PathProgramCache]: Analyzing trace with hash -991371868, now seen corresponding path program 43 times [2018-02-04 03:02:09,007 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:09,030 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:09,521 INFO L134 CoverageAnalysis]: Checked inductivity of 26898 backedges. 4299 proven. 821 refuted. 0 times theorem prover too weak. 21778 trivial. 0 not checked. [2018-02-04 03:02:09,521 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:09,521 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:02:09,521 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:09,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2976 backedges. 435 proven. 56 refuted. 0 times theorem prover too weak. 2485 trivial. 0 not checked. [2018-02-04 03:02:09,521 INFO L182 omatonBuilderFactory]: Interpolants [23776#(<= |foo_#in~size| 8), 23777#(<= main_~i~1 8), 23778#(<= main_~i~1 9), 23779#(<= main_~i~1 10), 23764#true, 23765#false, 23766#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 23767#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 23768#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 23769#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 23770#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 23771#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 23772#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 23773#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 23774#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 23775#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9))] [2018-02-04 03:02:09,522 INFO L134 CoverageAnalysis]: Checked inductivity of 26898 backedges. 4299 proven. 821 refuted. 0 times theorem prover too weak. 21778 trivial. 0 not checked. [2018-02-04 03:02:09,522 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:02:09,522 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:02:09,522 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:02:09,522 INFO L87 Difference]: Start difference. First operand 288 states and 384 transitions. Second operand 16 states. [2018-02-04 03:02:09,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:09,699 INFO L93 Difference]: Finished difference Result 485 states and 712 transitions. [2018-02-04 03:02:09,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 03:02:09,699 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 727 [2018-02-04 03:02:09,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:09,702 INFO L225 Difference]: With dead ends: 485 [2018-02-04 03:02:09,702 INFO L226 Difference]: Without dead ends: 485 [2018-02-04 03:02:09,702 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=207, Invalid=443, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:02:09,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2018-02-04 03:02:09,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 288. [2018-02-04 03:02:09,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2018-02-04 03:02:09,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 384 transitions. [2018-02-04 03:02:09,707 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 384 transitions. Word has length 727 [2018-02-04 03:02:09,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:09,707 INFO L432 AbstractCegarLoop]: Abstraction has 288 states and 384 transitions. [2018-02-04 03:02:09,707 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:02:09,708 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 384 transitions. [2018-02-04 03:02:09,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 734 [2018-02-04 03:02:09,711 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:09,711 INFO L351 BasicCegarLoop]: trace histogram [104, 89, 89, 89, 89, 89, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:09,711 INFO L371 AbstractCegarLoop]: === Iteration 53 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:09,711 INFO L82 PathProgramCache]: Analyzing trace with hash 900662060, now seen corresponding path program 44 times [2018-02-04 03:02:09,712 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:09,736 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:10,268 INFO L134 CoverageAnalysis]: Checked inductivity of 27456 backedges. 5306 proven. 290 refuted. 0 times theorem prover too weak. 21860 trivial. 0 not checked. [2018-02-04 03:02:10,268 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:10,268 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:02:10,268 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:10,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2982 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 2485 trivial. 0 not checked. [2018-02-04 03:02:10,269 INFO L182 omatonBuilderFactory]: Interpolants [24576#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 24577#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 24578#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 24579#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 24580#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 24581#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 24582#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 24583#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 24584#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 24585#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 24586#(<= |foo_#in~size| 9), 24587#(<= main_~i~1 9), 24588#(<= main_~i~1 10), 24573#true, 24574#false, 24575#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size))] [2018-02-04 03:02:10,269 INFO L134 CoverageAnalysis]: Checked inductivity of 27456 backedges. 5306 proven. 290 refuted. 0 times theorem prover too weak. 21860 trivial. 0 not checked. [2018-02-04 03:02:10,269 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:02:10,269 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:02:10,269 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:02:10,270 INFO L87 Difference]: Start difference. First operand 288 states and 384 transitions. Second operand 16 states. [2018-02-04 03:02:10,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:10,438 INFO L93 Difference]: Finished difference Result 419 states and 611 transitions. [2018-02-04 03:02:10,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:02:10,438 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 733 [2018-02-04 03:02:10,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:10,442 INFO L225 Difference]: With dead ends: 419 [2018-02-04 03:02:10,442 INFO L226 Difference]: Without dead ends: 419 [2018-02-04 03:02:10,442 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=239, Invalid=463, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:02:10,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2018-02-04 03:02:10,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 297. [2018-02-04 03:02:10,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2018-02-04 03:02:10,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 407 transitions. [2018-02-04 03:02:10,449 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 407 transitions. Word has length 733 [2018-02-04 03:02:10,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:10,450 INFO L432 AbstractCegarLoop]: Abstraction has 297 states and 407 transitions. [2018-02-04 03:02:10,450 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:02:10,450 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 407 transitions. [2018-02-04 03:02:10,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 740 [2018-02-04 03:02:10,455 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:10,456 INFO L351 BasicCegarLoop]: trace histogram [105, 90, 90, 90, 90, 90, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:10,456 INFO L371 AbstractCegarLoop]: === Iteration 54 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:10,456 INFO L82 PathProgramCache]: Analyzing trace with hash -682837516, now seen corresponding path program 45 times [2018-02-04 03:02:10,457 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:10,486 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:11,054 INFO L134 CoverageAnalysis]: Checked inductivity of 28020 backedges. 1360 proven. 2632 refuted. 0 times theorem prover too weak. 24028 trivial. 0 not checked. [2018-02-04 03:02:11,054 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:11,054 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 03:02:11,055 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:11,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2979 backedges. 133 proven. 313 refuted. 0 times theorem prover too weak. 2533 trivial. 0 not checked. [2018-02-04 03:02:11,055 INFO L182 omatonBuilderFactory]: Interpolants [25327#true, 25328#false, 25329#(<= 0 main_~i~1), 25330#(<= 1 main_~i~1), 25331#(<= 2 main_~i~1), 25332#(<= 3 main_~i~1), 25333#(<= 4 main_~i~1), 25334#(<= 5 main_~i~1), 25335#(<= 6 main_~i~1), 25336#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 25337#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 25338#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 25339#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 25340#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 25341#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 25342#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 25343#(<= |foo_#in~size| 5)] [2018-02-04 03:02:11,055 INFO L134 CoverageAnalysis]: Checked inductivity of 28020 backedges. 1360 proven. 2632 refuted. 0 times theorem prover too weak. 24028 trivial. 0 not checked. [2018-02-04 03:02:11,056 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:02:11,056 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:02:11,056 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:02:11,056 INFO L87 Difference]: Start difference. First operand 297 states and 407 transitions. Second operand 17 states. [2018-02-04 03:02:11,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:11,319 INFO L93 Difference]: Finished difference Result 327 states and 422 transitions. [2018-02-04 03:02:11,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:02:11,320 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 739 [2018-02-04 03:02:11,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:11,321 INFO L225 Difference]: With dead ends: 327 [2018-02-04 03:02:11,321 INFO L226 Difference]: Without dead ends: 327 [2018-02-04 03:02:11,321 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=127, Invalid=379, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:02:11,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2018-02-04 03:02:11,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 297. [2018-02-04 03:02:11,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2018-02-04 03:02:11,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 398 transitions. [2018-02-04 03:02:11,324 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 398 transitions. Word has length 739 [2018-02-04 03:02:11,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:11,324 INFO L432 AbstractCegarLoop]: Abstraction has 297 states and 398 transitions. [2018-02-04 03:02:11,324 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:02:11,324 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 398 transitions. [2018-02-04 03:02:11,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 764 [2018-02-04 03:02:11,327 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:11,327 INFO L351 BasicCegarLoop]: trace histogram [109, 94, 94, 94, 94, 94, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:11,327 INFO L371 AbstractCegarLoop]: === Iteration 55 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:11,328 INFO L82 PathProgramCache]: Analyzing trace with hash 115276948, now seen corresponding path program 46 times [2018-02-04 03:02:11,328 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:11,352 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:11,932 INFO L134 CoverageAnalysis]: Checked inductivity of 30336 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 29676 trivial. 0 not checked. [2018-02-04 03:02:11,932 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:11,932 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:02:11,932 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:11,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3135 trivial. 0 not checked. [2018-02-04 03:02:11,933 INFO L182 omatonBuilderFactory]: Interpolants [25984#(<= main_~i~1 2), 25985#(<= main_~i~1 3), 25986#(<= main_~i~1 4), 25987#(<= main_~i~1 5), 25988#(<= main_~i~1 6), 25989#(<= main_~i~1 7), 25990#(<= main_~i~1 8), 25991#(<= main_~i~1 9), 25992#(<= main_~i~1 10), 25993#(<= main_~i~1 11), 25994#(<= main_~i~1 12), 25995#(<= main_~i~1 13), 25996#(<= main_~i~1 14), 25997#(<= main_~i~1 15), 25980#true, 25981#false, 25982#(= main_~i~1 0), 25983#(<= main_~i~1 1)] [2018-02-04 03:02:11,933 INFO L134 CoverageAnalysis]: Checked inductivity of 30336 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 29676 trivial. 0 not checked. [2018-02-04 03:02:11,933 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 03:02:11,933 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 03:02:11,933 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:02:11,933 INFO L87 Difference]: Start difference. First operand 297 states and 398 transitions. Second operand 18 states. [2018-02-04 03:02:12,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:12,057 INFO L93 Difference]: Finished difference Result 483 states and 640 transitions. [2018-02-04 03:02:12,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-02-04 03:02:12,057 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 763 [2018-02-04 03:02:12,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:12,059 INFO L225 Difference]: With dead ends: 483 [2018-02-04 03:02:12,059 INFO L226 Difference]: Without dead ends: 483 [2018-02-04 03:02:12,059 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:02:12,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2018-02-04 03:02:12,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 308. [2018-02-04 03:02:12,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-02-04 03:02:12,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 415 transitions. [2018-02-04 03:02:12,063 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 415 transitions. Word has length 763 [2018-02-04 03:02:12,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:12,063 INFO L432 AbstractCegarLoop]: Abstraction has 308 states and 415 transitions. [2018-02-04 03:02:12,063 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 03:02:12,063 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 415 transitions. [2018-02-04 03:02:12,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 818 [2018-02-04 03:02:12,067 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:12,067 INFO L351 BasicCegarLoop]: trace histogram [117, 101, 101, 101, 101, 101, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:12,067 INFO L371 AbstractCegarLoop]: === Iteration 56 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:12,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1696216947, now seen corresponding path program 47 times [2018-02-04 03:02:12,068 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:12,093 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:12,723 INFO L134 CoverageAnalysis]: Checked inductivity of 35004 backedges. 0 proven. 752 refuted. 0 times theorem prover too weak. 34252 trivial. 0 not checked. [2018-02-04 03:02:12,724 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:12,724 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:02:12,724 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:12,724 INFO L134 CoverageAnalysis]: Checked inductivity of 3690 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3690 trivial. 0 not checked. [2018-02-04 03:02:12,724 INFO L182 omatonBuilderFactory]: Interpolants [26789#true, 26790#false, 26791#(= main_~i~1 0), 26792#(<= main_~i~1 1), 26793#(<= main_~i~1 2), 26794#(<= main_~i~1 3), 26795#(<= main_~i~1 4), 26796#(<= main_~i~1 5), 26797#(<= main_~i~1 6), 26798#(<= main_~i~1 7), 26799#(<= main_~i~1 8), 26800#(<= main_~i~1 9), 26801#(<= main_~i~1 10), 26802#(<= main_~i~1 11), 26803#(<= main_~i~1 12), 26804#(<= main_~i~1 13), 26805#(<= main_~i~1 14), 26806#(<= main_~i~1 15), 26807#(<= main_~i~1 16)] [2018-02-04 03:02:12,725 INFO L134 CoverageAnalysis]: Checked inductivity of 35004 backedges. 0 proven. 752 refuted. 0 times theorem prover too weak. 34252 trivial. 0 not checked. [2018-02-04 03:02:12,725 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:02:12,725 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:02:12,725 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:02:12,725 INFO L87 Difference]: Start difference. First operand 308 states and 415 transitions. Second operand 19 states. [2018-02-04 03:02:12,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:12,894 INFO L93 Difference]: Finished difference Result 499 states and 661 transitions. [2018-02-04 03:02:12,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 03:02:12,895 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 817 [2018-02-04 03:02:12,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:12,896 INFO L225 Difference]: With dead ends: 499 [2018-02-04 03:02:12,896 INFO L226 Difference]: Without dead ends: 499 [2018-02-04 03:02:12,897 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:02:12,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2018-02-04 03:02:12,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 319. [2018-02-04 03:02:12,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-02-04 03:02:12,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 432 transitions. [2018-02-04 03:02:12,901 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 432 transitions. Word has length 817 [2018-02-04 03:02:12,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:12,901 INFO L432 AbstractCegarLoop]: Abstraction has 319 states and 432 transitions. [2018-02-04 03:02:12,901 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:02:12,901 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 432 transitions. [2018-02-04 03:02:12,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 872 [2018-02-04 03:02:12,905 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:12,905 INFO L351 BasicCegarLoop]: trace histogram [125, 108, 108, 108, 108, 108, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:12,905 INFO L371 AbstractCegarLoop]: === Iteration 57 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:12,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1091387334, now seen corresponding path program 48 times [2018-02-04 03:02:12,906 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:12,934 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:13,667 INFO L134 CoverageAnalysis]: Checked inductivity of 40006 backedges. 7094 proven. 352 refuted. 0 times theorem prover too weak. 32560 trivial. 0 not checked. [2018-02-04 03:02:13,667 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:13,667 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 03:02:13,667 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:13,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4293 backedges. 606 proven. 0 refuted. 0 times theorem prover too weak. 3687 trivial. 0 not checked. [2018-02-04 03:02:13,668 INFO L182 omatonBuilderFactory]: Interpolants [27626#true, 27627#false, 27628#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 27629#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 27630#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 27631#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 27632#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 27633#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 27634#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 27635#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 27636#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 27637#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 27638#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 27639#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 27640#(<= |foo_#in~size| 10), 27641#(<= main_~i~1 10), 27642#(<= main_~i~1 11)] [2018-02-04 03:02:13,668 INFO L134 CoverageAnalysis]: Checked inductivity of 40006 backedges. 7094 proven. 352 refuted. 0 times theorem prover too weak. 32560 trivial. 0 not checked. [2018-02-04 03:02:13,669 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:02:13,669 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:02:13,669 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:02:13,669 INFO L87 Difference]: Start difference. First operand 319 states and 432 transitions. Second operand 17 states. [2018-02-04 03:02:13,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:13,874 INFO L93 Difference]: Finished difference Result 466 states and 693 transitions. [2018-02-04 03:02:13,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:02:13,874 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 871 [2018-02-04 03:02:13,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:13,876 INFO L225 Difference]: With dead ends: 466 [2018-02-04 03:02:13,876 INFO L226 Difference]: Without dead ends: 466 [2018-02-04 03:02:13,876 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=278, Invalid=534, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:02:13,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2018-02-04 03:02:13,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 325. [2018-02-04 03:02:13,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-02-04 03:02:13,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 439 transitions. [2018-02-04 03:02:13,880 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 439 transitions. Word has length 871 [2018-02-04 03:02:13,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:13,881 INFO L432 AbstractCegarLoop]: Abstraction has 325 states and 439 transitions. [2018-02-04 03:02:13,881 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:02:13,881 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 439 transitions. [2018-02-04 03:02:13,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 878 [2018-02-04 03:02:13,885 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:13,885 INFO L351 BasicCegarLoop]: trace histogram [126, 109, 109, 109, 109, 109, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:13,886 INFO L371 AbstractCegarLoop]: === Iteration 58 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:13,886 INFO L82 PathProgramCache]: Analyzing trace with hash 747477774, now seen corresponding path program 49 times [2018-02-04 03:02:13,886 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:13,916 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:14,654 INFO L134 CoverageAnalysis]: Checked inductivity of 40688 backedges. 7708 proven. 420 refuted. 0 times theorem prover too weak. 32560 trivial. 0 not checked. [2018-02-04 03:02:14,654 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:14,654 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:02:14,655 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:14,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4293 backedges. 606 proven. 0 refuted. 0 times theorem prover too weak. 3687 trivial. 0 not checked. [2018-02-04 03:02:14,655 INFO L182 omatonBuilderFactory]: Interpolants [28458#true, 28459#false, 28460#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 28461#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 28462#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 28463#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 28464#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 28465#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 28466#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 28467#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 28468#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 28469#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 28470#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 28471#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 28472#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 28473#(<= |foo_#in~size| 11), 28474#(<= main_~i~1 11), 28475#(<= main_~i~1 12)] [2018-02-04 03:02:14,656 INFO L134 CoverageAnalysis]: Checked inductivity of 40688 backedges. 7708 proven. 420 refuted. 0 times theorem prover too weak. 32560 trivial. 0 not checked. [2018-02-04 03:02:14,656 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 03:02:14,656 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 03:02:14,656 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=194, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:02:14,656 INFO L87 Difference]: Start difference. First operand 325 states and 439 transitions. Second operand 18 states. [2018-02-04 03:02:14,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:14,862 INFO L93 Difference]: Finished difference Result 475 states and 733 transitions. [2018-02-04 03:02:14,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:02:14,862 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 877 [2018-02-04 03:02:14,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:14,864 INFO L225 Difference]: With dead ends: 475 [2018-02-04 03:02:14,864 INFO L226 Difference]: Without dead ends: 475 [2018-02-04 03:02:14,864 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=320, Invalid=610, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:02:14,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2018-02-04 03:02:14,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 331. [2018-02-04 03:02:14,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2018-02-04 03:02:14,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 446 transitions. [2018-02-04 03:02:14,871 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 446 transitions. Word has length 877 [2018-02-04 03:02:14,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:14,871 INFO L432 AbstractCegarLoop]: Abstraction has 331 states and 446 transitions. [2018-02-04 03:02:14,871 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 03:02:14,871 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 446 transitions. [2018-02-04 03:02:14,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 884 [2018-02-04 03:02:14,877 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:14,877 INFO L351 BasicCegarLoop]: trace histogram [127, 110, 110, 110, 110, 110, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:14,877 INFO L371 AbstractCegarLoop]: === Iteration 59 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:14,877 INFO L82 PathProgramCache]: Analyzing trace with hash 803102806, now seen corresponding path program 50 times [2018-02-04 03:02:14,878 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:14,906 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:15,797 INFO L134 CoverageAnalysis]: Checked inductivity of 41376 backedges. 1963 proven. 3611 refuted. 0 times theorem prover too weak. 35802 trivial. 0 not checked. [2018-02-04 03:02:15,797 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:15,797 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:02:15,798 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:15,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4293 backedges. 177 proven. 411 refuted. 0 times theorem prover too weak. 3705 trivial. 0 not checked. [2018-02-04 03:02:15,798 INFO L182 omatonBuilderFactory]: Interpolants [29312#(<= 2 main_~i~1), 29313#(<= 3 main_~i~1), 29314#(<= 4 main_~i~1), 29315#(<= 5 main_~i~1), 29316#(<= 6 main_~i~1), 29317#(<= 7 main_~i~1), 29318#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 29319#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 29320#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 29321#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 29322#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 29323#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 29324#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 29325#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 29326#(<= |foo_#in~size| 6), 29308#true, 29309#false, 29310#(<= 0 main_~i~1), 29311#(<= 1 main_~i~1)] [2018-02-04 03:02:15,799 INFO L134 CoverageAnalysis]: Checked inductivity of 41376 backedges. 1963 proven. 3611 refuted. 0 times theorem prover too weak. 35802 trivial. 0 not checked. [2018-02-04 03:02:15,799 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:02:15,800 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:02:15,800 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:02:15,800 INFO L87 Difference]: Start difference. First operand 331 states and 446 transitions. Second operand 19 states. [2018-02-04 03:02:16,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:16,139 INFO L93 Difference]: Finished difference Result 366 states and 464 transitions. [2018-02-04 03:02:16,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:02:16,155 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 883 [2018-02-04 03:02:16,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:16,157 INFO L225 Difference]: With dead ends: 366 [2018-02-04 03:02:16,157 INFO L226 Difference]: Without dead ends: 366 [2018-02-04 03:02:16,157 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:02:16,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-02-04 03:02:16,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 331. [2018-02-04 03:02:16,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2018-02-04 03:02:16,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 436 transitions. [2018-02-04 03:02:16,161 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 436 transitions. Word has length 883 [2018-02-04 03:02:16,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:16,162 INFO L432 AbstractCegarLoop]: Abstraction has 331 states and 436 transitions. [2018-02-04 03:02:16,162 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:02:16,162 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 436 transitions. [2018-02-04 03:02:16,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 920 [2018-02-04 03:02:16,166 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:16,166 INFO L351 BasicCegarLoop]: trace histogram [133, 116, 116, 116, 116, 116, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:16,166 INFO L371 AbstractCegarLoop]: === Iteration 60 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:16,167 INFO L82 PathProgramCache]: Analyzing trace with hash 495732550, now seen corresponding path program 51 times [2018-02-04 03:02:16,167 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:16,200 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:17,077 INFO L134 CoverageAnalysis]: Checked inductivity of 45630 backedges. 0 proven. 850 refuted. 0 times theorem prover too weak. 44780 trivial. 0 not checked. [2018-02-04 03:02:17,077 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:17,077 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:02:17,078 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:17,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4527 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4527 trivial. 0 not checked. [2018-02-04 03:02:17,078 INFO L182 omatonBuilderFactory]: Interpolants [30048#(<= main_~i~1 8), 30049#(<= main_~i~1 9), 30050#(<= main_~i~1 10), 30051#(<= main_~i~1 11), 30052#(<= main_~i~1 12), 30053#(<= main_~i~1 13), 30054#(<= main_~i~1 14), 30055#(<= main_~i~1 15), 30056#(<= main_~i~1 16), 30057#(<= main_~i~1 17), 30038#true, 30039#false, 30040#(= main_~i~1 0), 30041#(<= main_~i~1 1), 30042#(<= main_~i~1 2), 30043#(<= main_~i~1 3), 30044#(<= main_~i~1 4), 30045#(<= main_~i~1 5), 30046#(<= main_~i~1 6), 30047#(<= main_~i~1 7)] [2018-02-04 03:02:17,078 INFO L134 CoverageAnalysis]: Checked inductivity of 45630 backedges. 0 proven. 850 refuted. 0 times theorem prover too weak. 44780 trivial. 0 not checked. [2018-02-04 03:02:17,079 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:02:17,079 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:02:17,079 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:02:17,079 INFO L87 Difference]: Start difference. First operand 331 states and 436 transitions. Second operand 20 states. [2018-02-04 03:02:17,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:17,205 INFO L93 Difference]: Finished difference Result 495 states and 620 transitions. [2018-02-04 03:02:17,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 03:02:17,206 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 919 [2018-02-04 03:02:17,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:17,208 INFO L225 Difference]: With dead ends: 495 [2018-02-04 03:02:17,208 INFO L226 Difference]: Without dead ends: 495 [2018-02-04 03:02:17,208 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:02:17,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-02-04 03:02:17,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 342. [2018-02-04 03:02:17,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-02-04 03:02:17,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 452 transitions. [2018-02-04 03:02:17,213 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 452 transitions. Word has length 919 [2018-02-04 03:02:17,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:17,214 INFO L432 AbstractCegarLoop]: Abstraction has 342 states and 452 transitions. [2018-02-04 03:02:17,214 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:02:17,214 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 452 transitions. [2018-02-04 03:02:17,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 980 [2018-02-04 03:02:17,219 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:17,219 INFO L351 BasicCegarLoop]: trace histogram [142, 124, 124, 124, 124, 124, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:17,219 INFO L371 AbstractCegarLoop]: === Iteration 61 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:17,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1400240071, now seen corresponding path program 52 times [2018-02-04 03:02:17,220 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:17,253 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:18,103 INFO L134 CoverageAnalysis]: Checked inductivity of 52092 backedges. 6828 proven. 1125 refuted. 0 times theorem prover too weak. 44139 trivial. 0 not checked. [2018-02-04 03:02:18,104 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:18,104 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 03:02:18,104 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:18,104 INFO L134 CoverageAnalysis]: Checked inductivity of 5238 backedges. 630 proven. 62 refuted. 0 times theorem prover too weak. 4546 trivial. 0 not checked. [2018-02-04 03:02:18,104 INFO L182 omatonBuilderFactory]: Interpolants [30895#true, 30896#false, 30897#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 30898#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 30899#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 30900#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 30901#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 30902#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 30903#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 30904#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 30905#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 30906#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 30907#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 30908#(<= |foo_#in~size| 9), 30909#(<= main_~i~1 9), 30910#(<= main_~i~1 10), 30911#(<= main_~i~1 11)] [2018-02-04 03:02:18,105 INFO L134 CoverageAnalysis]: Checked inductivity of 52092 backedges. 6828 proven. 1125 refuted. 0 times theorem prover too weak. 44139 trivial. 0 not checked. [2018-02-04 03:02:18,105 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:02:18,105 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:02:18,105 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:02:18,105 INFO L87 Difference]: Start difference. First operand 342 states and 452 transitions. Second operand 17 states. [2018-02-04 03:02:18,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:18,287 INFO L93 Difference]: Finished difference Result 580 states and 883 transitions. [2018-02-04 03:02:18,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 03:02:18,288 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 979 [2018-02-04 03:02:18,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:18,290 INFO L225 Difference]: With dead ends: 580 [2018-02-04 03:02:18,290 INFO L226 Difference]: Without dead ends: 580 [2018-02-04 03:02:18,291 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=243, Invalid=513, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:02:18,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2018-02-04 03:02:18,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 342. [2018-02-04 03:02:18,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-02-04 03:02:18,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 452 transitions. [2018-02-04 03:02:18,296 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 452 transitions. Word has length 979 [2018-02-04 03:02:18,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:18,296 INFO L432 AbstractCegarLoop]: Abstraction has 342 states and 452 transitions. [2018-02-04 03:02:18,296 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:02:18,296 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 452 transitions. [2018-02-04 03:02:18,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 986 [2018-02-04 03:02:18,301 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:18,301 INFO L351 BasicCegarLoop]: trace histogram [143, 125, 125, 125, 125, 125, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:18,301 INFO L371 AbstractCegarLoop]: === Iteration 62 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:18,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1861613809, now seen corresponding path program 53 times [2018-02-04 03:02:18,302 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:18,334 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:19,274 INFO L134 CoverageAnalysis]: Checked inductivity of 52872 backedges. 7466 proven. 1267 refuted. 0 times theorem prover too weak. 44139 trivial. 0 not checked. [2018-02-04 03:02:19,274 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:19,274 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:02:19,274 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:19,274 INFO L134 CoverageAnalysis]: Checked inductivity of 5244 backedges. 630 proven. 68 refuted. 0 times theorem prover too weak. 4546 trivial. 0 not checked. [2018-02-04 03:02:19,274 INFO L182 omatonBuilderFactory]: Interpolants [31872#(<= main_~i~1 11), 31873#(<= main_~i~1 12), 31856#true, 31857#false, 31858#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 31859#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 31860#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 31861#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 31862#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 31863#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 31864#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 31865#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 31866#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 31867#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 31868#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 31869#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 31870#(<= |foo_#in~size| 10), 31871#(<= main_~i~1 10)] [2018-02-04 03:02:19,275 INFO L134 CoverageAnalysis]: Checked inductivity of 52872 backedges. 7466 proven. 1267 refuted. 0 times theorem prover too weak. 44139 trivial. 0 not checked. [2018-02-04 03:02:19,275 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 03:02:19,275 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 03:02:19,275 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:02:19,275 INFO L87 Difference]: Start difference. First operand 342 states and 452 transitions. Second operand 18 states. [2018-02-04 03:02:19,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:19,551 INFO L93 Difference]: Finished difference Result 583 states and 933 transitions. [2018-02-04 03:02:19,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 03:02:19,552 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 985 [2018-02-04 03:02:19,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:19,556 INFO L225 Difference]: With dead ends: 583 [2018-02-04 03:02:19,556 INFO L226 Difference]: Without dead ends: 583 [2018-02-04 03:02:19,556 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=282, Invalid=588, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:02:19,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2018-02-04 03:02:19,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 342. [2018-02-04 03:02:19,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-02-04 03:02:19,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 452 transitions. [2018-02-04 03:02:19,565 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 452 transitions. Word has length 985 [2018-02-04 03:02:19,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:19,566 INFO L432 AbstractCegarLoop]: Abstraction has 342 states and 452 transitions. [2018-02-04 03:02:19,566 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 03:02:19,566 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 452 transitions. [2018-02-04 03:02:19,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 992 [2018-02-04 03:02:19,574 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:19,574 INFO L351 BasicCegarLoop]: trace histogram [144, 126, 126, 126, 126, 126, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:19,574 INFO L371 AbstractCegarLoop]: === Iteration 63 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:19,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1378385833, now seen corresponding path program 54 times [2018-02-04 03:02:19,575 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:19,624 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:20,616 INFO L134 CoverageAnalysis]: Checked inductivity of 53658 backedges. 8104 proven. 1415 refuted. 0 times theorem prover too weak. 44139 trivial. 0 not checked. [2018-02-04 03:02:20,616 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:20,617 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:02:20,617 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:20,617 INFO L134 CoverageAnalysis]: Checked inductivity of 5250 backedges. 630 proven. 74 refuted. 0 times theorem prover too weak. 4546 trivial. 0 not checked. [2018-02-04 03:02:20,617 INFO L182 omatonBuilderFactory]: Interpolants [32832#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 32833#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 32834#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 32835#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 32836#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 32837#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 32838#(<= |foo_#in~size| 11), 32839#(<= main_~i~1 11), 32840#(<= main_~i~1 12), 32841#(<= main_~i~1 13), 32823#true, 32824#false, 32825#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 32826#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 32827#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 32828#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 32829#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 32830#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 32831#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6))] [2018-02-04 03:02:20,618 INFO L134 CoverageAnalysis]: Checked inductivity of 53658 backedges. 8104 proven. 1415 refuted. 0 times theorem prover too weak. 44139 trivial. 0 not checked. [2018-02-04 03:02:20,618 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:02:20,618 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:02:20,618 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:02:20,618 INFO L87 Difference]: Start difference. First operand 342 states and 452 transitions. Second operand 19 states. [2018-02-04 03:02:20,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:20,847 INFO L93 Difference]: Finished difference Result 587 states and 937 transitions. [2018-02-04 03:02:20,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:02:20,847 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 991 [2018-02-04 03:02:20,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:20,850 INFO L225 Difference]: With dead ends: 587 [2018-02-04 03:02:20,850 INFO L226 Difference]: Without dead ends: 587 [2018-02-04 03:02:20,851 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=324, Invalid=668, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:02:20,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2018-02-04 03:02:20,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 339. [2018-02-04 03:02:20,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2018-02-04 03:02:20,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 433 transitions. [2018-02-04 03:02:20,857 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 433 transitions. Word has length 991 [2018-02-04 03:02:20,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:20,858 INFO L432 AbstractCegarLoop]: Abstraction has 339 states and 433 transitions. [2018-02-04 03:02:20,858 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:02:20,858 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 433 transitions. [2018-02-04 03:02:20,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 998 [2018-02-04 03:02:20,863 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:20,863 INFO L351 BasicCegarLoop]: trace histogram [145, 127, 127, 127, 127, 127, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:20,863 INFO L371 AbstractCegarLoop]: === Iteration 64 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:20,864 INFO L82 PathProgramCache]: Analyzing trace with hash -274275425, now seen corresponding path program 55 times [2018-02-04 03:02:20,864 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:20,900 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:21,923 INFO L134 CoverageAnalysis]: Checked inductivity of 54450 backedges. 9717 proven. 494 refuted. 0 times theorem prover too weak. 44239 trivial. 0 not checked. [2018-02-04 03:02:21,923 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:21,923 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:02:21,924 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:21,924 INFO L134 CoverageAnalysis]: Checked inductivity of 5259 backedges. 713 proven. 0 refuted. 0 times theorem prover too weak. 4546 trivial. 0 not checked. [2018-02-04 03:02:21,924 INFO L182 omatonBuilderFactory]: Interpolants [33794#true, 33795#false, 33796#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 33797#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 33798#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 33799#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 33800#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 33801#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 33802#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 33803#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 33804#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 33805#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 33806#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 33807#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 33808#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 33809#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 33810#(<= |foo_#in~size| 12), 33811#(<= main_~i~1 12), 33812#(<= main_~i~1 13)] [2018-02-04 03:02:21,925 INFO L134 CoverageAnalysis]: Checked inductivity of 54450 backedges. 9717 proven. 494 refuted. 0 times theorem prover too weak. 44239 trivial. 0 not checked. [2018-02-04 03:02:21,925 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:02:21,925 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:02:21,925 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=215, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:02:21,925 INFO L87 Difference]: Start difference. First operand 339 states and 433 transitions. Second operand 19 states. [2018-02-04 03:02:22,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:22,174 INFO L93 Difference]: Finished difference Result 503 states and 787 transitions. [2018-02-04 03:02:22,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 03:02:22,174 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 997 [2018-02-04 03:02:22,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:22,178 INFO L225 Difference]: With dead ends: 503 [2018-02-04 03:02:22,178 INFO L226 Difference]: Without dead ends: 503 [2018-02-04 03:02:22,179 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=365, Invalid=691, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:02:22,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2018-02-04 03:02:22,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 348. [2018-02-04 03:02:22,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2018-02-04 03:02:22,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 459 transitions. [2018-02-04 03:02:22,188 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 459 transitions. Word has length 997 [2018-02-04 03:02:22,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:22,189 INFO L432 AbstractCegarLoop]: Abstraction has 348 states and 459 transitions. [2018-02-04 03:02:22,189 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:02:22,189 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 459 transitions. [2018-02-04 03:02:22,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1004 [2018-02-04 03:02:22,198 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:22,198 INFO L351 BasicCegarLoop]: trace histogram [146, 128, 128, 128, 128, 128, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:22,198 INFO L371 AbstractCegarLoop]: === Iteration 65 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:22,199 INFO L82 PathProgramCache]: Analyzing trace with hash 860436519, now seen corresponding path program 56 times [2018-02-04 03:02:22,199 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:22,258 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:23,467 INFO L134 CoverageAnalysis]: Checked inductivity of 55248 backedges. 0 proven. 954 refuted. 0 times theorem prover too weak. 54294 trivial. 0 not checked. [2018-02-04 03:02:23,468 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:23,468 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:02:23,468 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:23,468 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5256 trivial. 0 not checked. [2018-02-04 03:02:23,468 INFO L182 omatonBuilderFactory]: Interpolants [34692#true, 34693#false, 34694#(= main_~i~1 0), 34695#(<= main_~i~1 1), 34696#(<= main_~i~1 2), 34697#(<= main_~i~1 3), 34698#(<= main_~i~1 4), 34699#(<= main_~i~1 5), 34700#(<= main_~i~1 6), 34701#(<= main_~i~1 7), 34702#(<= main_~i~1 8), 34703#(<= main_~i~1 9), 34704#(<= main_~i~1 10), 34705#(<= main_~i~1 11), 34706#(<= main_~i~1 12), 34707#(<= main_~i~1 13), 34708#(<= main_~i~1 14), 34709#(<= main_~i~1 15), 34710#(<= main_~i~1 16), 34711#(<= main_~i~1 17), 34712#(<= main_~i~1 18)] [2018-02-04 03:02:23,469 INFO L134 CoverageAnalysis]: Checked inductivity of 55248 backedges. 0 proven. 954 refuted. 0 times theorem prover too weak. 54294 trivial. 0 not checked. [2018-02-04 03:02:23,469 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:02:23,469 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:02:23,469 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:02:23,469 INFO L87 Difference]: Start difference. First operand 348 states and 459 transitions. Second operand 21 states. [2018-02-04 03:02:23,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:23,626 INFO L93 Difference]: Finished difference Result 517 states and 647 transitions. [2018-02-04 03:02:23,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 03:02:23,626 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1003 [2018-02-04 03:02:23,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:23,628 INFO L225 Difference]: With dead ends: 517 [2018-02-04 03:02:23,628 INFO L226 Difference]: Without dead ends: 517 [2018-02-04 03:02:23,628 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:02:23,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2018-02-04 03:02:23,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 359. [2018-02-04 03:02:23,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-02-04 03:02:23,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 475 transitions. [2018-02-04 03:02:23,632 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 475 transitions. Word has length 1003 [2018-02-04 03:02:23,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:23,632 INFO L432 AbstractCegarLoop]: Abstraction has 359 states and 475 transitions. [2018-02-04 03:02:23,632 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:02:23,633 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 475 transitions. [2018-02-04 03:02:23,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1064 [2018-02-04 03:02:23,638 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:23,638 INFO L351 BasicCegarLoop]: trace histogram [155, 136, 136, 136, 136, 136, 20, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:23,638 INFO L371 AbstractCegarLoop]: === Iteration 66 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:23,638 INFO L82 PathProgramCache]: Analyzing trace with hash -870443480, now seen corresponding path program 57 times [2018-02-04 03:02:23,639 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:23,673 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:24,636 INFO L134 CoverageAnalysis]: Checked inductivity of 62338 backedges. 6234 proven. 1806 refuted. 0 times theorem prover too weak. 54298 trivial. 0 not checked. [2018-02-04 03:02:24,636 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:24,636 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 03:02:24,636 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:24,636 INFO L134 CoverageAnalysis]: Checked inductivity of 6021 backedges. 624 proven. 112 refuted. 0 times theorem prover too weak. 5285 trivial. 0 not checked. [2018-02-04 03:02:24,637 INFO L182 omatonBuilderFactory]: Interpolants [35589#true, 35590#false, 35591#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 35592#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 35593#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 35594#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 35595#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 35596#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 35597#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 35598#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 35599#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 35600#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 35601#(<= |foo_#in~size| 8), 35602#(<= main_~i~1 8), 35603#(<= main_~i~1 9), 35604#(<= main_~i~1 10), 35605#(<= main_~i~1 11)] [2018-02-04 03:02:24,637 INFO L134 CoverageAnalysis]: Checked inductivity of 62338 backedges. 6234 proven. 1806 refuted. 0 times theorem prover too weak. 54298 trivial. 0 not checked. [2018-02-04 03:02:24,637 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:02:24,638 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:02:24,638 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:02:24,638 INFO L87 Difference]: Start difference. First operand 359 states and 475 transitions. Second operand 17 states. [2018-02-04 03:02:24,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:24,840 INFO L93 Difference]: Finished difference Result 698 states and 1093 transitions. [2018-02-04 03:02:24,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:02:24,840 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1063 [2018-02-04 03:02:24,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:24,844 INFO L225 Difference]: With dead ends: 698 [2018-02-04 03:02:24,844 INFO L226 Difference]: Without dead ends: 698 [2018-02-04 03:02:24,844 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=212, Invalid=490, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:02:24,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2018-02-04 03:02:24,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 359. [2018-02-04 03:02:24,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-02-04 03:02:24,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 475 transitions. [2018-02-04 03:02:24,850 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 475 transitions. Word has length 1063 [2018-02-04 03:02:24,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:24,851 INFO L432 AbstractCegarLoop]: Abstraction has 359 states and 475 transitions. [2018-02-04 03:02:24,851 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:02:24,851 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 475 transitions. [2018-02-04 03:02:24,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1070 [2018-02-04 03:02:24,856 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:24,857 INFO L351 BasicCegarLoop]: trace histogram [156, 137, 137, 137, 137, 137, 20, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:24,857 INFO L371 AbstractCegarLoop]: === Iteration 67 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:24,857 INFO L82 PathProgramCache]: Analyzing trace with hash -479133328, now seen corresponding path program 58 times [2018-02-04 03:02:24,857 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:24,895 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:25,923 INFO L134 CoverageAnalysis]: Checked inductivity of 63192 backedges. 6866 proven. 2028 refuted. 0 times theorem prover too weak. 54298 trivial. 0 not checked. [2018-02-04 03:02:25,923 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:25,923 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:02:25,923 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:25,923 INFO L134 CoverageAnalysis]: Checked inductivity of 6033 backedges. 624 proven. 124 refuted. 0 times theorem prover too weak. 5285 trivial. 0 not checked. [2018-02-04 03:02:25,923 INFO L182 omatonBuilderFactory]: Interpolants [36683#true, 36684#false, 36685#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 36686#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 36687#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 36688#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 36689#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 36690#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 36691#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 36692#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 36693#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 36694#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 36695#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 36696#(<= |foo_#in~size| 9), 36697#(<= main_~i~1 9), 36698#(<= main_~i~1 10), 36699#(<= main_~i~1 11), 36700#(<= main_~i~1 12)] [2018-02-04 03:02:25,924 INFO L134 CoverageAnalysis]: Checked inductivity of 63192 backedges. 6866 proven. 2028 refuted. 0 times theorem prover too weak. 54298 trivial. 0 not checked. [2018-02-04 03:02:25,924 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 03:02:25,924 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 03:02:25,925 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:02:25,925 INFO L87 Difference]: Start difference. First operand 359 states and 475 transitions. Second operand 18 states. [2018-02-04 03:02:26,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:26,154 INFO L93 Difference]: Finished difference Result 701 states and 1160 transitions. [2018-02-04 03:02:26,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:02:26,154 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1069 [2018-02-04 03:02:26,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:26,157 INFO L225 Difference]: With dead ends: 701 [2018-02-04 03:02:26,157 INFO L226 Difference]: Without dead ends: 701 [2018-02-04 03:02:26,158 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=248, Invalid=564, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:02:26,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2018-02-04 03:02:26,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 359. [2018-02-04 03:02:26,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-02-04 03:02:26,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 475 transitions. [2018-02-04 03:02:26,165 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 475 transitions. Word has length 1069 [2018-02-04 03:02:26,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:26,165 INFO L432 AbstractCegarLoop]: Abstraction has 359 states and 475 transitions. [2018-02-04 03:02:26,165 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 03:02:26,165 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 475 transitions. [2018-02-04 03:02:26,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1076 [2018-02-04 03:02:26,171 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:26,171 INFO L351 BasicCegarLoop]: trace histogram [157, 138, 138, 138, 138, 138, 20, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:26,171 INFO L371 AbstractCegarLoop]: === Iteration 68 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:26,171 INFO L82 PathProgramCache]: Analyzing trace with hash -295151944, now seen corresponding path program 59 times [2018-02-04 03:02:26,172 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:26,208 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:27,297 INFO L134 CoverageAnalysis]: Checked inductivity of 64052 backedges. 7498 proven. 2256 refuted. 0 times theorem prover too weak. 54298 trivial. 0 not checked. [2018-02-04 03:02:27,297 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:27,297 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:02:27,297 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:27,297 INFO L134 CoverageAnalysis]: Checked inductivity of 6045 backedges. 624 proven. 136 refuted. 0 times theorem prover too weak. 5285 trivial. 0 not checked. [2018-02-04 03:02:27,298 INFO L182 omatonBuilderFactory]: Interpolants [37792#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 37793#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 37794#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 37795#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 37796#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 37797#(<= |foo_#in~size| 10), 37798#(<= main_~i~1 10), 37799#(<= main_~i~1 11), 37800#(<= main_~i~1 12), 37801#(<= main_~i~1 13), 37783#true, 37784#false, 37785#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 37786#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 37787#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 37788#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 37789#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 37790#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 37791#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6))] [2018-02-04 03:02:27,298 INFO L134 CoverageAnalysis]: Checked inductivity of 64052 backedges. 7498 proven. 2256 refuted. 0 times theorem prover too weak. 54298 trivial. 0 not checked. [2018-02-04 03:02:27,298 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:02:27,299 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:02:27,299 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:02:27,299 INFO L87 Difference]: Start difference. First operand 359 states and 475 transitions. Second operand 19 states. [2018-02-04 03:02:27,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:27,523 INFO L93 Difference]: Finished difference Result 704 states and 1227 transitions. [2018-02-04 03:02:27,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:02:27,523 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1075 [2018-02-04 03:02:27,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:27,529 INFO L225 Difference]: With dead ends: 704 [2018-02-04 03:02:27,530 INFO L226 Difference]: Without dead ends: 704 [2018-02-04 03:02:27,530 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=287, Invalid=643, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:02:27,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2018-02-04 03:02:27,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 359. [2018-02-04 03:02:27,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-02-04 03:02:27,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 475 transitions. [2018-02-04 03:02:27,541 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 475 transitions. Word has length 1075 [2018-02-04 03:02:27,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:27,542 INFO L432 AbstractCegarLoop]: Abstraction has 359 states and 475 transitions. [2018-02-04 03:02:27,542 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:02:27,542 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 475 transitions. [2018-02-04 03:02:27,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1082 [2018-02-04 03:02:27,548 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:27,548 INFO L351 BasicCegarLoop]: trace histogram [158, 139, 139, 139, 139, 139, 20, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:27,548 INFO L371 AbstractCegarLoop]: === Iteration 69 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:27,548 INFO L82 PathProgramCache]: Analyzing trace with hash -158558720, now seen corresponding path program 60 times [2018-02-04 03:02:27,549 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:27,586 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:28,772 INFO L134 CoverageAnalysis]: Checked inductivity of 64918 backedges. 8130 proven. 2490 refuted. 0 times theorem prover too weak. 54298 trivial. 0 not checked. [2018-02-04 03:02:28,773 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:28,773 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:02:28,773 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:28,773 INFO L134 CoverageAnalysis]: Checked inductivity of 6057 backedges. 624 proven. 148 refuted. 0 times theorem prover too weak. 5285 trivial. 0 not checked. [2018-02-04 03:02:28,773 INFO L182 omatonBuilderFactory]: Interpolants [38889#true, 38890#false, 38891#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 38892#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 38893#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 38894#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 38895#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 38896#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 38897#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 38898#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 38899#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 38900#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 38901#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 38902#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 38903#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 38904#(<= |foo_#in~size| 11), 38905#(<= main_~i~1 11), 38906#(<= main_~i~1 12), 38907#(<= main_~i~1 13), 38908#(<= main_~i~1 14)] [2018-02-04 03:02:28,774 INFO L134 CoverageAnalysis]: Checked inductivity of 64918 backedges. 8130 proven. 2490 refuted. 0 times theorem prover too weak. 54298 trivial. 0 not checked. [2018-02-04 03:02:28,774 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:02:28,775 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:02:28,775 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=259, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:02:28,775 INFO L87 Difference]: Start difference. First operand 359 states and 475 transitions. Second operand 20 states. [2018-02-04 03:02:29,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:29,003 INFO L93 Difference]: Finished difference Result 704 states and 1227 transitions. [2018-02-04 03:02:29,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 03:02:29,003 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1081 [2018-02-04 03:02:29,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:29,007 INFO L225 Difference]: With dead ends: 704 [2018-02-04 03:02:29,007 INFO L226 Difference]: Without dead ends: 704 [2018-02-04 03:02:29,007 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=329, Invalid=727, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:02:29,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2018-02-04 03:02:29,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 356. [2018-02-04 03:02:29,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-02-04 03:02:29,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 455 transitions. [2018-02-04 03:02:29,015 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 455 transitions. Word has length 1081 [2018-02-04 03:02:29,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:29,016 INFO L432 AbstractCegarLoop]: Abstraction has 356 states and 455 transitions. [2018-02-04 03:02:29,016 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:02:29,016 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 455 transitions. [2018-02-04 03:02:29,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1088 [2018-02-04 03:02:29,021 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:29,021 INFO L351 BasicCegarLoop]: trace histogram [159, 140, 140, 140, 140, 140, 20, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:29,021 INFO L371 AbstractCegarLoop]: === Iteration 70 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:29,021 INFO L82 PathProgramCache]: Analyzing trace with hash -586793144, now seen corresponding path program 61 times [2018-02-04 03:02:29,022 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:29,056 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:30,224 INFO L134 CoverageAnalysis]: Checked inductivity of 65790 backedges. 9743 proven. 1649 refuted. 0 times theorem prover too weak. 54398 trivial. 0 not checked. [2018-02-04 03:02:30,224 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:30,224 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:02:30,224 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:30,225 INFO L134 CoverageAnalysis]: Checked inductivity of 6072 backedges. 707 proven. 80 refuted. 0 times theorem prover too weak. 5285 trivial. 0 not checked. [2018-02-04 03:02:30,225 INFO L182 omatonBuilderFactory]: Interpolants [40000#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 40001#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 40002#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 40003#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 40004#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 40005#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 40006#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 40007#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 40008#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 40009#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 40010#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 40011#(<= |foo_#in~size| 12), 40012#(<= main_~i~1 12), 40013#(<= main_~i~1 13), 40014#(<= main_~i~1 14), 39995#true, 39996#false, 39997#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 39998#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 39999#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2))] [2018-02-04 03:02:30,226 INFO L134 CoverageAnalysis]: Checked inductivity of 65790 backedges. 9743 proven. 1649 refuted. 0 times theorem prover too weak. 54398 trivial. 0 not checked. [2018-02-04 03:02:30,226 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:02:30,226 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:02:30,226 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=249, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:02:30,226 INFO L87 Difference]: Start difference. First operand 356 states and 455 transitions. Second operand 20 states. [2018-02-04 03:02:30,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:30,454 INFO L93 Difference]: Finished difference Result 621 states and 1041 transitions. [2018-02-04 03:02:30,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 03:02:30,455 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1087 [2018-02-04 03:02:30,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:30,457 INFO L225 Difference]: With dead ends: 621 [2018-02-04 03:02:30,457 INFO L226 Difference]: Without dead ends: 621 [2018-02-04 03:02:30,458 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=369, Invalid=753, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:02:30,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2018-02-04 03:02:30,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 356. [2018-02-04 03:02:30,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-02-04 03:02:30,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 455 transitions. [2018-02-04 03:02:30,464 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 455 transitions. Word has length 1087 [2018-02-04 03:02:30,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:30,464 INFO L432 AbstractCegarLoop]: Abstraction has 356 states and 455 transitions. [2018-02-04 03:02:30,464 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:02:30,464 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 455 transitions. [2018-02-04 03:02:30,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1094 [2018-02-04 03:02:30,469 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:30,470 INFO L351 BasicCegarLoop]: trace histogram [160, 141, 141, 141, 141, 141, 20, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:30,470 INFO L371 AbstractCegarLoop]: === Iteration 71 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:30,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1136698928, now seen corresponding path program 62 times [2018-02-04 03:02:30,470 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:30,504 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:31,677 INFO L134 CoverageAnalysis]: Checked inductivity of 66668 backedges. 11590 proven. 574 refuted. 0 times theorem prover too weak. 54504 trivial. 0 not checked. [2018-02-04 03:02:31,677 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:31,677 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:02:31,677 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:31,678 INFO L134 CoverageAnalysis]: Checked inductivity of 6078 backedges. 793 proven. 0 refuted. 0 times theorem prover too weak. 5285 trivial. 0 not checked. [2018-02-04 03:02:31,678 INFO L182 omatonBuilderFactory]: Interpolants [41024#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 41025#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 41026#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 41027#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 41028#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 41029#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 41030#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 41031#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 41032#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 41033#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 41034#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 41035#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 41036#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 14)), 41037#(<= |foo_#in~size| 13), 41038#(<= main_~i~1 13), 41039#(<= main_~i~1 14), 41020#true, 41021#false, 41022#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 41023#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1))] [2018-02-04 03:02:31,679 INFO L134 CoverageAnalysis]: Checked inductivity of 66668 backedges. 11590 proven. 574 refuted. 0 times theorem prover too weak. 54504 trivial. 0 not checked. [2018-02-04 03:02:31,679 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:02:31,679 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:02:31,679 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=237, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:02:31,679 INFO L87 Difference]: Start difference. First operand 356 states and 455 transitions. Second operand 20 states. [2018-02-04 03:02:31,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:31,912 INFO L93 Difference]: Finished difference Result 531 states and 865 transitions. [2018-02-04 03:02:31,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 03:02:31,912 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1093 [2018-02-04 03:02:31,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:31,915 INFO L225 Difference]: With dead ends: 531 [2018-02-04 03:02:31,915 INFO L226 Difference]: Without dead ends: 531 [2018-02-04 03:02:31,915 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=413, Invalid=777, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:02:31,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2018-02-04 03:02:31,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 365. [2018-02-04 03:02:31,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-02-04 03:02:31,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 482 transitions. [2018-02-04 03:02:31,923 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 482 transitions. Word has length 1093 [2018-02-04 03:02:31,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:31,923 INFO L432 AbstractCegarLoop]: Abstraction has 365 states and 482 transitions. [2018-02-04 03:02:31,923 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:02:31,923 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 482 transitions. [2018-02-04 03:02:31,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1100 [2018-02-04 03:02:31,928 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:31,929 INFO L351 BasicCegarLoop]: trace histogram [161, 142, 142, 142, 142, 142, 20, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:31,929 INFO L371 AbstractCegarLoop]: === Iteration 72 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:31,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1833076120, now seen corresponding path program 63 times [2018-02-04 03:02:31,929 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:31,966 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:33,179 INFO L134 CoverageAnalysis]: Checked inductivity of 67552 backedges. 2722 proven. 5294 refuted. 0 times theorem prover too weak. 59536 trivial. 0 not checked. [2018-02-04 03:02:33,179 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:33,179 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:02:33,179 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:33,179 INFO L134 CoverageAnalysis]: Checked inductivity of 6075 backedges. 227 proven. 521 refuted. 0 times theorem prover too weak. 5327 trivial. 0 not checked. [2018-02-04 03:02:33,179 INFO L182 omatonBuilderFactory]: Interpolants [41984#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 41985#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 41986#(<= |foo_#in~size| 7), 41966#true, 41967#false, 41968#(<= 0 main_~i~1), 41969#(<= 1 main_~i~1), 41970#(<= 2 main_~i~1), 41971#(<= 3 main_~i~1), 41972#(<= 4 main_~i~1), 41973#(<= 5 main_~i~1), 41974#(<= 6 main_~i~1), 41975#(<= 7 main_~i~1), 41976#(<= 8 main_~i~1), 41977#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 41978#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 41979#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 41980#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 41981#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 41982#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 41983#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6))] [2018-02-04 03:02:33,180 INFO L134 CoverageAnalysis]: Checked inductivity of 67552 backedges. 2722 proven. 5294 refuted. 0 times theorem prover too weak. 59536 trivial. 0 not checked. [2018-02-04 03:02:33,180 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:02:33,181 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:02:33,181 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:02:33,181 INFO L87 Difference]: Start difference. First operand 365 states and 482 transitions. Second operand 21 states. [2018-02-04 03:02:33,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:33,392 INFO L93 Difference]: Finished difference Result 408 states and 523 transitions. [2018-02-04 03:02:33,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 03:02:33,392 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1099 [2018-02-04 03:02:33,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:33,394 INFO L225 Difference]: With dead ends: 408 [2018-02-04 03:02:33,394 INFO L226 Difference]: Without dead ends: 408 [2018-02-04 03:02:33,394 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=199, Invalid=613, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:02:33,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2018-02-04 03:02:33,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 368. [2018-02-04 03:02:33,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2018-02-04 03:02:33,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 491 transitions. [2018-02-04 03:02:33,397 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 491 transitions. Word has length 1099 [2018-02-04 03:02:33,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:33,398 INFO L432 AbstractCegarLoop]: Abstraction has 368 states and 491 transitions. [2018-02-04 03:02:33,398 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:02:33,398 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 491 transitions. [2018-02-04 03:02:33,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1148 [2018-02-04 03:02:33,403 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:33,403 INFO L351 BasicCegarLoop]: trace histogram [169, 150, 150, 150, 150, 150, 20, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:33,403 INFO L371 AbstractCegarLoop]: === Iteration 73 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:33,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1868763864, now seen corresponding path program 64 times [2018-02-04 03:02:33,404 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:33,447 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:34,776 INFO L134 CoverageAnalysis]: Checked inductivity of 74840 backedges. 0 proven. 1064 refuted. 0 times theorem prover too weak. 73776 trivial. 0 not checked. [2018-02-04 03:02:34,777 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:34,777 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:02:34,777 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:34,777 INFO L134 CoverageAnalysis]: Checked inductivity of 6363 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6363 trivial. 0 not checked. [2018-02-04 03:02:34,777 INFO L182 omatonBuilderFactory]: Interpolants [42784#(<= main_~i~1 3), 42785#(<= main_~i~1 4), 42786#(<= main_~i~1 5), 42787#(<= main_~i~1 6), 42788#(<= main_~i~1 7), 42789#(<= main_~i~1 8), 42790#(<= main_~i~1 9), 42791#(<= main_~i~1 10), 42792#(<= main_~i~1 11), 42793#(<= main_~i~1 12), 42794#(<= main_~i~1 13), 42795#(<= main_~i~1 14), 42796#(<= main_~i~1 15), 42797#(<= main_~i~1 16), 42798#(<= main_~i~1 17), 42799#(<= main_~i~1 18), 42800#(<= main_~i~1 19), 42779#true, 42780#false, 42781#(= main_~i~1 0), 42782#(<= main_~i~1 1), 42783#(<= main_~i~1 2)] [2018-02-04 03:02:34,778 INFO L134 CoverageAnalysis]: Checked inductivity of 74840 backedges. 0 proven. 1064 refuted. 0 times theorem prover too weak. 73776 trivial. 0 not checked. [2018-02-04 03:02:34,778 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:02:34,778 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:02:34,778 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:02:34,778 INFO L87 Difference]: Start difference. First operand 368 states and 491 transitions. Second operand 22 states. [2018-02-04 03:02:34,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:34,920 INFO L93 Difference]: Finished difference Result 542 states and 683 transitions. [2018-02-04 03:02:34,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:02:34,920 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 1147 [2018-02-04 03:02:34,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:34,922 INFO L225 Difference]: With dead ends: 542 [2018-02-04 03:02:34,922 INFO L226 Difference]: Without dead ends: 542 [2018-02-04 03:02:34,922 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:02:34,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2018-02-04 03:02:34,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 379. [2018-02-04 03:02:34,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-02-04 03:02:34,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 507 transitions. [2018-02-04 03:02:34,926 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 507 transitions. Word has length 1147 [2018-02-04 03:02:34,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:34,927 INFO L432 AbstractCegarLoop]: Abstraction has 379 states and 507 transitions. [2018-02-04 03:02:34,927 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:02:34,927 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 507 transitions. [2018-02-04 03:02:34,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1214 [2018-02-04 03:02:34,935 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:34,935 INFO L351 BasicCegarLoop]: trace histogram [179, 159, 159, 159, 159, 159, 21, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:34,935 INFO L371 AbstractCegarLoop]: === Iteration 74 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:34,935 INFO L82 PathProgramCache]: Analyzing trace with hash -131833823, now seen corresponding path program 65 times [2018-02-04 03:02:34,936 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:34,993 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:36,384 INFO L134 CoverageAnalysis]: Checked inductivity of 84046 backedges. 6782 proven. 2685 refuted. 0 times theorem prover too weak. 74579 trivial. 0 not checked. [2018-02-04 03:02:36,385 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:36,385 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:02:36,385 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:36,385 INFO L134 CoverageAnalysis]: Checked inductivity of 7245 backedges. 696 proven. 168 refuted. 0 times theorem prover too weak. 6381 trivial. 0 not checked. [2018-02-04 03:02:36,385 INFO L182 omatonBuilderFactory]: Interpolants [43722#true, 43723#false, 43724#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 43725#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 43726#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 43727#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 43728#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 43729#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 43730#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 43731#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 43732#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 43733#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 43734#(<= |foo_#in~size| 8), 43735#(<= main_~i~1 8), 43736#(<= main_~i~1 9), 43737#(<= main_~i~1 10), 43738#(<= main_~i~1 11), 43739#(<= main_~i~1 12)] [2018-02-04 03:02:36,386 INFO L134 CoverageAnalysis]: Checked inductivity of 84046 backedges. 6782 proven. 2685 refuted. 0 times theorem prover too weak. 74579 trivial. 0 not checked. [2018-02-04 03:02:36,386 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 03:02:36,387 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 03:02:36,387 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:02:36,387 INFO L87 Difference]: Start difference. First operand 379 states and 507 transitions. Second operand 18 states. [2018-02-04 03:02:36,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:36,611 INFO L93 Difference]: Finished difference Result 819 states and 1327 transitions. [2018-02-04 03:02:36,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 03:02:36,611 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1213 [2018-02-04 03:02:36,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:36,616 INFO L225 Difference]: With dead ends: 819 [2018-02-04 03:02:36,616 INFO L226 Difference]: Without dead ends: 819 [2018-02-04 03:02:36,617 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=218, Invalid=538, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:02:36,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-02-04 03:02:36,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 382. [2018-02-04 03:02:36,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-02-04 03:02:36,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 528 transitions. [2018-02-04 03:02:36,625 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 528 transitions. Word has length 1213 [2018-02-04 03:02:36,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:36,625 INFO L432 AbstractCegarLoop]: Abstraction has 382 states and 528 transitions. [2018-02-04 03:02:36,625 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 03:02:36,626 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 528 transitions. [2018-02-04 03:02:36,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1220 [2018-02-04 03:02:36,632 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:36,632 INFO L351 BasicCegarLoop]: trace histogram [180, 160, 160, 160, 160, 160, 21, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:36,632 INFO L371 AbstractCegarLoop]: === Iteration 75 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:36,632 INFO L82 PathProgramCache]: Analyzing trace with hash 647193961, now seen corresponding path program 66 times [2018-02-04 03:02:36,633 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:36,676 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:38,035 INFO L134 CoverageAnalysis]: Checked inductivity of 85040 backedges. 7462 proven. 2999 refuted. 0 times theorem prover too weak. 74579 trivial. 0 not checked. [2018-02-04 03:02:38,035 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:38,035 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:02:38,035 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:38,035 INFO L134 CoverageAnalysis]: Checked inductivity of 7239 backedges. 672 proven. 186 refuted. 0 times theorem prover too weak. 6381 trivial. 0 not checked. [2018-02-04 03:02:38,036 INFO L182 omatonBuilderFactory]: Interpolants [44961#true, 44962#false, 44963#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 44964#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 44965#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 44966#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 44967#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 44968#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 44969#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 44970#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 44971#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 44972#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 44973#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 44974#(<= |foo_#in~size| 9), 44975#(<= main_~i~1 9), 44976#(<= main_~i~1 10), 44977#(<= main_~i~1 11), 44978#(<= main_~i~1 12), 44979#(<= main_~i~1 13)] [2018-02-04 03:02:38,037 INFO L134 CoverageAnalysis]: Checked inductivity of 85040 backedges. 7462 proven. 2999 refuted. 0 times theorem prover too weak. 74579 trivial. 0 not checked. [2018-02-04 03:02:38,037 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:02:38,037 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:02:38,037 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:02:38,037 INFO L87 Difference]: Start difference. First operand 382 states and 528 transitions. Second operand 19 states. [2018-02-04 03:02:38,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:38,255 INFO L93 Difference]: Finished difference Result 822 states and 1411 transitions. [2018-02-04 03:02:38,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 03:02:38,255 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1219 [2018-02-04 03:02:38,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:38,259 INFO L225 Difference]: With dead ends: 822 [2018-02-04 03:02:38,260 INFO L226 Difference]: Without dead ends: 822 [2018-02-04 03:02:38,260 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=254, Invalid=616, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:02:38,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2018-02-04 03:02:38,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 382. [2018-02-04 03:02:38,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-02-04 03:02:38,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 528 transitions. [2018-02-04 03:02:38,269 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 528 transitions. Word has length 1219 [2018-02-04 03:02:38,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:38,270 INFO L432 AbstractCegarLoop]: Abstraction has 382 states and 528 transitions. [2018-02-04 03:02:38,270 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:02:38,270 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 528 transitions. [2018-02-04 03:02:38,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1226 [2018-02-04 03:02:38,276 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:38,276 INFO L351 BasicCegarLoop]: trace histogram [181, 161, 161, 161, 161, 161, 21, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:38,276 INFO L371 AbstractCegarLoop]: === Iteration 76 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:38,277 INFO L82 PathProgramCache]: Analyzing trace with hash -441756495, now seen corresponding path program 67 times [2018-02-04 03:02:38,277 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:38,318 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:39,726 INFO L134 CoverageAnalysis]: Checked inductivity of 86040 backedges. 8142 proven. 3319 refuted. 0 times theorem prover too weak. 74579 trivial. 0 not checked. [2018-02-04 03:02:39,727 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:39,727 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:02:39,727 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:39,727 INFO L134 CoverageAnalysis]: Checked inductivity of 7257 backedges. 672 proven. 204 refuted. 0 times theorem prover too weak. 6381 trivial. 0 not checked. [2018-02-04 03:02:39,727 INFO L182 omatonBuilderFactory]: Interpolants [46208#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 46209#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 46210#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 46211#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 46212#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 46213#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 46214#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 46215#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 46216#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 46217#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 46218#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 46219#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 46220#(<= |foo_#in~size| 10), 46221#(<= main_~i~1 10), 46222#(<= main_~i~1 11), 46223#(<= main_~i~1 12), 46224#(<= main_~i~1 13), 46225#(<= main_~i~1 14), 46206#true, 46207#false] [2018-02-04 03:02:39,728 INFO L134 CoverageAnalysis]: Checked inductivity of 86040 backedges. 8142 proven. 3319 refuted. 0 times theorem prover too weak. 74579 trivial. 0 not checked. [2018-02-04 03:02:39,729 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:02:39,729 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:02:39,729 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:02:39,729 INFO L87 Difference]: Start difference. First operand 382 states and 528 transitions. Second operand 20 states. [2018-02-04 03:02:39,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:39,967 INFO L93 Difference]: Finished difference Result 825 states and 1495 transitions. [2018-02-04 03:02:39,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:02:39,968 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1225 [2018-02-04 03:02:39,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:39,972 INFO L225 Difference]: With dead ends: 825 [2018-02-04 03:02:39,972 INFO L226 Difference]: Without dead ends: 825 [2018-02-04 03:02:39,972 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=293, Invalid=699, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:02:39,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2018-02-04 03:02:39,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 382. [2018-02-04 03:02:39,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-02-04 03:02:39,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 528 transitions. [2018-02-04 03:02:39,981 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 528 transitions. Word has length 1225 [2018-02-04 03:02:39,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:39,982 INFO L432 AbstractCegarLoop]: Abstraction has 382 states and 528 transitions. [2018-02-04 03:02:39,982 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:02:39,982 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 528 transitions. [2018-02-04 03:02:39,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1232 [2018-02-04 03:02:39,988 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:39,989 INFO L351 BasicCegarLoop]: trace histogram [182, 162, 162, 162, 162, 162, 21, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:39,989 INFO L371 AbstractCegarLoop]: === Iteration 77 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:39,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1986744839, now seen corresponding path program 68 times [2018-02-04 03:02:39,989 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:40,031 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:41,557 INFO L134 CoverageAnalysis]: Checked inductivity of 87046 backedges. 8822 proven. 3645 refuted. 0 times theorem prover too weak. 74579 trivial. 0 not checked. [2018-02-04 03:02:41,557 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:41,557 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:02:41,557 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:41,558 INFO L134 CoverageAnalysis]: Checked inductivity of 7275 backedges. 672 proven. 222 refuted. 0 times theorem prover too weak. 6381 trivial. 0 not checked. [2018-02-04 03:02:41,558 INFO L182 omatonBuilderFactory]: Interpolants [47457#true, 47458#false, 47459#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 47460#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 47461#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 47462#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 47463#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 47464#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 47465#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 47466#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 47467#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 47468#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 47469#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 47470#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 47471#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 47472#(<= |foo_#in~size| 11), 47473#(<= main_~i~1 11), 47474#(<= main_~i~1 12), 47475#(<= main_~i~1 13), 47476#(<= main_~i~1 14), 47477#(<= main_~i~1 15)] [2018-02-04 03:02:41,559 INFO L134 CoverageAnalysis]: Checked inductivity of 87046 backedges. 8822 proven. 3645 refuted. 0 times theorem prover too weak. 74579 trivial. 0 not checked. [2018-02-04 03:02:41,559 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:02:41,559 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:02:41,559 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:02:41,559 INFO L87 Difference]: Start difference. First operand 382 states and 528 transitions. Second operand 21 states. [2018-02-04 03:02:41,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:41,832 INFO L93 Difference]: Finished difference Result 825 states and 1495 transitions. [2018-02-04 03:02:41,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 03:02:41,832 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1231 [2018-02-04 03:02:41,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:41,837 INFO L225 Difference]: With dead ends: 825 [2018-02-04 03:02:41,837 INFO L226 Difference]: Without dead ends: 825 [2018-02-04 03:02:41,837 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=335, Invalid=787, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:02:41,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2018-02-04 03:02:41,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 379. [2018-02-04 03:02:41,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-02-04 03:02:41,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 507 transitions. [2018-02-04 03:02:41,849 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 507 transitions. Word has length 1231 [2018-02-04 03:02:41,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:41,849 INFO L432 AbstractCegarLoop]: Abstraction has 379 states and 507 transitions. [2018-02-04 03:02:41,849 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:02:41,849 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 507 transitions. [2018-02-04 03:02:41,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1238 [2018-02-04 03:02:41,855 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:41,856 INFO L351 BasicCegarLoop]: trace histogram [183, 163, 163, 163, 163, 163, 21, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:41,856 INFO L371 AbstractCegarLoop]: === Iteration 78 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:41,856 INFO L82 PathProgramCache]: Analyzing trace with hash -971509439, now seen corresponding path program 69 times [2018-02-04 03:02:41,856 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:41,898 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:43,457 INFO L134 CoverageAnalysis]: Checked inductivity of 88058 backedges. 10489 proven. 2890 refuted. 0 times theorem prover too weak. 74679 trivial. 0 not checked. [2018-02-04 03:02:43,457 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:43,457 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:02:43,457 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:43,458 INFO L134 CoverageAnalysis]: Checked inductivity of 7296 backedges. 755 proven. 160 refuted. 0 times theorem prover too weak. 6381 trivial. 0 not checked. [2018-02-04 03:02:43,458 INFO L182 omatonBuilderFactory]: Interpolants [48708#true, 48709#false, 48710#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 48711#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 48712#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 48713#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 48714#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 48715#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 48716#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 48717#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 48718#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 48719#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 48720#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 48721#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 48722#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 48723#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 48724#(<= |foo_#in~size| 12), 48725#(<= main_~i~1 12), 48726#(<= main_~i~1 13), 48727#(<= main_~i~1 14), 48728#(<= main_~i~1 15)] [2018-02-04 03:02:43,459 INFO L134 CoverageAnalysis]: Checked inductivity of 88058 backedges. 10489 proven. 2890 refuted. 0 times theorem prover too weak. 74679 trivial. 0 not checked. [2018-02-04 03:02:43,459 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:02:43,459 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:02:43,459 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=284, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:02:43,459 INFO L87 Difference]: Start difference. First operand 379 states and 507 transitions. Second operand 21 states. [2018-02-04 03:02:43,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:43,724 INFO L93 Difference]: Finished difference Result 744 states and 1318 transitions. [2018-02-04 03:02:43,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 03:02:43,725 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1237 [2018-02-04 03:02:43,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:43,728 INFO L225 Difference]: With dead ends: 744 [2018-02-04 03:02:43,728 INFO L226 Difference]: Without dead ends: 744 [2018-02-04 03:02:43,728 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=374, Invalid=816, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:02:43,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-02-04 03:02:43,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 379. [2018-02-04 03:02:43,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-02-04 03:02:43,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 507 transitions. [2018-02-04 03:02:43,737 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 507 transitions. Word has length 1237 [2018-02-04 03:02:43,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:43,737 INFO L432 AbstractCegarLoop]: Abstraction has 379 states and 507 transitions. [2018-02-04 03:02:43,737 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:02:43,737 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 507 transitions. [2018-02-04 03:02:43,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1244 [2018-02-04 03:02:43,744 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:43,744 INFO L351 BasicCegarLoop]: trace histogram [184, 164, 164, 164, 164, 164, 21, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:43,744 INFO L371 AbstractCegarLoop]: === Iteration 79 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:43,744 INFO L82 PathProgramCache]: Analyzing trace with hash 633714121, now seen corresponding path program 70 times [2018-02-04 03:02:43,745 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:43,786 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:45,318 INFO L134 CoverageAnalysis]: Checked inductivity of 89076 backedges. 12390 proven. 1901 refuted. 0 times theorem prover too weak. 74785 trivial. 0 not checked. [2018-02-04 03:02:45,319 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:45,319 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:02:45,319 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:45,319 INFO L134 CoverageAnalysis]: Checked inductivity of 7308 backedges. 841 proven. 86 refuted. 0 times theorem prover too weak. 6381 trivial. 0 not checked. [2018-02-04 03:02:45,319 INFO L182 omatonBuilderFactory]: Interpolants [49888#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 49889#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 49890#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 49891#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 49892#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 49893#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 49894#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 49895#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 49896#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 14)), 49897#(<= |foo_#in~size| 13), 49898#(<= main_~i~1 13), 49899#(<= main_~i~1 14), 49900#(<= main_~i~1 15), 49880#true, 49881#false, 49882#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 49883#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 49884#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 49885#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 49886#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 49887#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5))] [2018-02-04 03:02:45,320 INFO L134 CoverageAnalysis]: Checked inductivity of 89076 backedges. 12390 proven. 1901 refuted. 0 times theorem prover too weak. 74785 trivial. 0 not checked. [2018-02-04 03:02:45,320 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:02:45,321 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:02:45,321 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=273, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:02:45,321 INFO L87 Difference]: Start difference. First operand 379 states and 507 transitions. Second operand 21 states. [2018-02-04 03:02:45,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:45,585 INFO L93 Difference]: Finished difference Result 655 states and 1115 transitions. [2018-02-04 03:02:45,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 03:02:45,586 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1243 [2018-02-04 03:02:45,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:45,588 INFO L225 Difference]: With dead ends: 655 [2018-02-04 03:02:45,588 INFO L226 Difference]: Without dead ends: 655 [2018-02-04 03:02:45,588 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=417, Invalid=843, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:02:45,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2018-02-04 03:02:45,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 379. [2018-02-04 03:02:45,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-02-04 03:02:45,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 507 transitions. [2018-02-04 03:02:45,595 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 507 transitions. Word has length 1243 [2018-02-04 03:02:45,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:45,595 INFO L432 AbstractCegarLoop]: Abstraction has 379 states and 507 transitions. [2018-02-04 03:02:45,595 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:02:45,596 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 507 transitions. [2018-02-04 03:02:45,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1250 [2018-02-04 03:02:45,602 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:45,602 INFO L351 BasicCegarLoop]: trace histogram [185, 165, 165, 165, 165, 165, 21, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:45,602 INFO L371 AbstractCegarLoop]: === Iteration 80 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:45,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1733256303, now seen corresponding path program 71 times [2018-02-04 03:02:45,603 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:45,644 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:47,178 INFO L134 CoverageAnalysis]: Checked inductivity of 90100 backedges. 14543 proven. 660 refuted. 0 times theorem prover too weak. 74897 trivial. 0 not checked. [2018-02-04 03:02:47,178 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:47,179 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:02:47,179 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:47,179 INFO L134 CoverageAnalysis]: Checked inductivity of 7314 backedges. 933 proven. 0 refuted. 0 times theorem prover too weak. 6381 trivial. 0 not checked. [2018-02-04 03:02:47,179 INFO L182 omatonBuilderFactory]: Interpolants [50976#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 50977#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 50978#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 50979#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 50980#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 50981#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 14)), 50982#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 15)), 50983#(<= |foo_#in~size| 14), 50984#(<= main_~i~1 14), 50985#(<= main_~i~1 15), 50965#true, 50966#false, 50967#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 50968#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 50969#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 50970#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 50971#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 50972#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 50973#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 50974#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 50975#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8))] [2018-02-04 03:02:47,180 INFO L134 CoverageAnalysis]: Checked inductivity of 90100 backedges. 14543 proven. 660 refuted. 0 times theorem prover too weak. 74897 trivial. 0 not checked. [2018-02-04 03:02:47,180 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:02:47,181 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:02:47,181 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=260, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:02:47,181 INFO L87 Difference]: Start difference. First operand 379 states and 507 transitions. Second operand 21 states. [2018-02-04 03:02:47,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:47,396 INFO L93 Difference]: Finished difference Result 559 states and 923 transitions. [2018-02-04 03:02:47,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 03:02:47,396 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1249 [2018-02-04 03:02:47,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:47,399 INFO L225 Difference]: With dead ends: 559 [2018-02-04 03:02:47,399 INFO L226 Difference]: Without dead ends: 559 [2018-02-04 03:02:47,399 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=464, Invalid=868, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:02:47,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2018-02-04 03:02:47,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 388. [2018-02-04 03:02:47,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2018-02-04 03:02:47,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 535 transitions. [2018-02-04 03:02:47,406 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 535 transitions. Word has length 1249 [2018-02-04 03:02:47,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:47,406 INFO L432 AbstractCegarLoop]: Abstraction has 388 states and 535 transitions. [2018-02-04 03:02:47,406 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:02:47,406 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 535 transitions. [2018-02-04 03:02:47,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1256 [2018-02-04 03:02:47,413 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:47,414 INFO L351 BasicCegarLoop]: trace histogram [186, 166, 166, 166, 166, 166, 21, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:47,414 INFO L371 AbstractCegarLoop]: === Iteration 81 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:47,414 INFO L82 PathProgramCache]: Analyzing trace with hash -946752871, now seen corresponding path program 72 times [2018-02-04 03:02:47,414 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:47,459 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:49,127 INFO L134 CoverageAnalysis]: Checked inductivity of 91130 backedges. 0 proven. 1180 refuted. 0 times theorem prover too weak. 89950 trivial. 0 not checked. [2018-02-04 03:02:49,127 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:49,127 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:02:49,127 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:49,128 INFO L134 CoverageAnalysis]: Checked inductivity of 7311 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7311 trivial. 0 not checked. [2018-02-04 03:02:49,128 INFO L182 omatonBuilderFactory]: Interpolants [51968#(<= main_~i~1 1), 51969#(<= main_~i~1 2), 51970#(<= main_~i~1 3), 51971#(<= main_~i~1 4), 51972#(<= main_~i~1 5), 51973#(<= main_~i~1 6), 51974#(<= main_~i~1 7), 51975#(<= main_~i~1 8), 51976#(<= main_~i~1 9), 51977#(<= main_~i~1 10), 51978#(<= main_~i~1 11), 51979#(<= main_~i~1 12), 51980#(<= main_~i~1 13), 51981#(<= main_~i~1 14), 51982#(<= main_~i~1 15), 51983#(<= main_~i~1 16), 51984#(<= main_~i~1 17), 51985#(<= main_~i~1 18), 51986#(<= main_~i~1 19), 51987#(<= main_~i~1 20), 51965#true, 51966#false, 51967#(= main_~i~1 0)] [2018-02-04 03:02:49,129 INFO L134 CoverageAnalysis]: Checked inductivity of 91130 backedges. 0 proven. 1180 refuted. 0 times theorem prover too weak. 89950 trivial. 0 not checked. [2018-02-04 03:02:49,129 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:02:49,129 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:02:49,129 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:02:49,129 INFO L87 Difference]: Start difference. First operand 388 states and 535 transitions. Second operand 23 states. [2018-02-04 03:02:49,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:49,309 INFO L93 Difference]: Finished difference Result 599 states and 797 transitions. [2018-02-04 03:02:49,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 03:02:49,310 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 1255 [2018-02-04 03:02:49,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:49,312 INFO L225 Difference]: With dead ends: 599 [2018-02-04 03:02:49,312 INFO L226 Difference]: Without dead ends: 599 [2018-02-04 03:02:49,312 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:02:49,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2018-02-04 03:02:49,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 399. [2018-02-04 03:02:49,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-02-04 03:02:49,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 552 transitions. [2018-02-04 03:02:49,321 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 552 transitions. Word has length 1255 [2018-02-04 03:02:49,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:49,322 INFO L432 AbstractCegarLoop]: Abstraction has 399 states and 552 transitions. [2018-02-04 03:02:49,322 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:02:49,322 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 552 transitions. [2018-02-04 03:02:49,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1322 [2018-02-04 03:02:49,334 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:49,334 INFO L351 BasicCegarLoop]: trace histogram [196, 175, 175, 175, 175, 175, 22, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:49,334 INFO L371 AbstractCegarLoop]: === Iteration 82 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:49,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1156066914, now seen corresponding path program 73 times [2018-02-04 03:02:49,335 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:49,413 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:51,016 INFO L134 CoverageAnalysis]: Checked inductivity of 101262 backedges. 6882 proven. 3626 refuted. 0 times theorem prover too weak. 90754 trivial. 0 not checked. [2018-02-04 03:02:51,016 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:51,017 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:02:51,017 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:51,017 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 696 proven. 224 refuted. 0 times theorem prover too weak. 7330 trivial. 0 not checked. [2018-02-04 03:02:51,017 INFO L182 omatonBuilderFactory]: Interpolants [52992#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 52993#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 52994#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 52995#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 52996#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 52997#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 52998#(<= |foo_#in~size| 8), 52999#(<= main_~i~1 8), 53000#(<= main_~i~1 9), 53001#(<= main_~i~1 10), 53002#(<= main_~i~1 11), 53003#(<= main_~i~1 12), 53004#(<= main_~i~1 13), 52986#true, 52987#false, 52988#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 52989#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 52990#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 52991#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3))] [2018-02-04 03:02:51,018 INFO L134 CoverageAnalysis]: Checked inductivity of 101262 backedges. 6882 proven. 3626 refuted. 0 times theorem prover too weak. 90754 trivial. 0 not checked. [2018-02-04 03:02:51,018 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:02:51,019 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:02:51,019 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:02:51,019 INFO L87 Difference]: Start difference. First operand 399 states and 552 transitions. Second operand 19 states. [2018-02-04 03:02:51,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:51,234 INFO L93 Difference]: Finished difference Result 940 states and 1635 transitions. [2018-02-04 03:02:51,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:02:51,235 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1321 [2018-02-04 03:02:51,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:51,240 INFO L225 Difference]: With dead ends: 940 [2018-02-04 03:02:51,240 INFO L226 Difference]: Without dead ends: 940 [2018-02-04 03:02:51,240 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=225, Invalid=587, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:02:51,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2018-02-04 03:02:51,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 402. [2018-02-04 03:02:51,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2018-02-04 03:02:51,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 574 transitions. [2018-02-04 03:02:51,257 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 574 transitions. Word has length 1321 [2018-02-04 03:02:51,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:51,257 INFO L432 AbstractCegarLoop]: Abstraction has 402 states and 574 transitions. [2018-02-04 03:02:51,258 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:02:51,258 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 574 transitions. [2018-02-04 03:02:51,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1328 [2018-02-04 03:02:51,270 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:51,270 INFO L351 BasicCegarLoop]: trace histogram [197, 176, 176, 176, 176, 176, 22, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:51,270 INFO L371 AbstractCegarLoop]: === Iteration 83 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:51,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1500260266, now seen corresponding path program 74 times [2018-02-04 03:02:51,271 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:51,331 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:52,974 INFO L134 CoverageAnalysis]: Checked inductivity of 102354 backedges. 7562 proven. 4038 refuted. 0 times theorem prover too weak. 90754 trivial. 0 not checked. [2018-02-04 03:02:52,975 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:52,975 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:02:52,975 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:52,975 INFO L134 CoverageAnalysis]: Checked inductivity of 8250 backedges. 672 proven. 248 refuted. 0 times theorem prover too weak. 7330 trivial. 0 not checked. [2018-02-04 03:02:52,975 INFO L182 omatonBuilderFactory]: Interpolants [54368#false, 54369#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 54370#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 54371#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 54372#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 54373#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 54374#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 54375#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 54376#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 54377#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 54378#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 54379#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 54380#(<= |foo_#in~size| 9), 54381#(<= main_~i~1 9), 54382#(<= main_~i~1 10), 54383#(<= main_~i~1 11), 54384#(<= main_~i~1 12), 54385#(<= main_~i~1 13), 54386#(<= main_~i~1 14), 54367#true] [2018-02-04 03:02:52,977 INFO L134 CoverageAnalysis]: Checked inductivity of 102354 backedges. 7562 proven. 4038 refuted. 0 times theorem prover too weak. 90754 trivial. 0 not checked. [2018-02-04 03:02:52,977 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:02:52,977 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:02:52,977 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:02:52,977 INFO L87 Difference]: Start difference. First operand 402 states and 574 transitions. Second operand 20 states. [2018-02-04 03:02:53,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:53,248 INFO L93 Difference]: Finished difference Result 943 states and 1736 transitions. [2018-02-04 03:02:53,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:02:53,248 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1327 [2018-02-04 03:02:53,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:53,253 INFO L225 Difference]: With dead ends: 943 [2018-02-04 03:02:53,253 INFO L226 Difference]: Without dead ends: 943 [2018-02-04 03:02:53,253 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:02:53,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2018-02-04 03:02:53,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 402. [2018-02-04 03:02:53,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2018-02-04 03:02:53,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 574 transitions. [2018-02-04 03:02:53,265 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 574 transitions. Word has length 1327 [2018-02-04 03:02:53,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:53,265 INFO L432 AbstractCegarLoop]: Abstraction has 402 states and 574 transitions. [2018-02-04 03:02:53,265 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:02:53,265 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 574 transitions. [2018-02-04 03:02:53,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1334 [2018-02-04 03:02:53,273 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:53,273 INFO L351 BasicCegarLoop]: trace histogram [198, 177, 177, 177, 177, 177, 22, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:53,273 INFO L371 AbstractCegarLoop]: === Iteration 84 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:53,274 INFO L82 PathProgramCache]: Analyzing trace with hash -1877865742, now seen corresponding path program 75 times [2018-02-04 03:02:53,274 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:53,322 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:55,068 INFO L134 CoverageAnalysis]: Checked inductivity of 103452 backedges. 8242 proven. 4456 refuted. 0 times theorem prover too weak. 90754 trivial. 0 not checked. [2018-02-04 03:02:55,069 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:55,069 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:02:55,069 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:55,069 INFO L134 CoverageAnalysis]: Checked inductivity of 8274 backedges. 672 proven. 272 refuted. 0 times theorem prover too weak. 7330 trivial. 0 not checked. [2018-02-04 03:02:55,069 INFO L182 omatonBuilderFactory]: Interpolants [55754#true, 55755#false, 55756#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 55757#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 55758#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 55759#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 55760#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 55761#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 55762#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 55763#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 55764#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 55765#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 55766#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 55767#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 55768#(<= |foo_#in~size| 10), 55769#(<= main_~i~1 10), 55770#(<= main_~i~1 11), 55771#(<= main_~i~1 12), 55772#(<= main_~i~1 13), 55773#(<= main_~i~1 14), 55774#(<= main_~i~1 15)] [2018-02-04 03:02:55,071 INFO L134 CoverageAnalysis]: Checked inductivity of 103452 backedges. 8242 proven. 4456 refuted. 0 times theorem prover too weak. 90754 trivial. 0 not checked. [2018-02-04 03:02:55,071 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:02:55,071 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:02:55,071 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:02:55,071 INFO L87 Difference]: Start difference. First operand 402 states and 574 transitions. Second operand 21 states. [2018-02-04 03:02:55,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:55,373 INFO L93 Difference]: Finished difference Result 946 states and 1837 transitions. [2018-02-04 03:02:55,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 03:02:55,373 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1333 [2018-02-04 03:02:55,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:55,378 INFO L225 Difference]: With dead ends: 946 [2018-02-04 03:02:55,379 INFO L226 Difference]: Without dead ends: 946 [2018-02-04 03:02:55,379 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=300, Invalid=756, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:02:55,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2018-02-04 03:02:55,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 402. [2018-02-04 03:02:55,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2018-02-04 03:02:55,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 574 transitions. [2018-02-04 03:02:55,392 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 574 transitions. Word has length 1333 [2018-02-04 03:02:55,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:55,392 INFO L432 AbstractCegarLoop]: Abstraction has 402 states and 574 transitions. [2018-02-04 03:02:55,392 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:02:55,392 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 574 transitions. [2018-02-04 03:02:55,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1340 [2018-02-04 03:02:55,404 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:55,404 INFO L351 BasicCegarLoop]: trace histogram [199, 178, 178, 178, 178, 178, 22, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:55,404 INFO L371 AbstractCegarLoop]: === Iteration 85 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:55,405 INFO L82 PathProgramCache]: Analyzing trace with hash 2118277178, now seen corresponding path program 76 times [2018-02-04 03:02:55,405 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:55,457 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:57,274 INFO L134 CoverageAnalysis]: Checked inductivity of 104556 backedges. 8922 proven. 4880 refuted. 0 times theorem prover too weak. 90754 trivial. 0 not checked. [2018-02-04 03:02:57,274 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:57,274 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:02:57,275 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:57,275 INFO L134 CoverageAnalysis]: Checked inductivity of 8298 backedges. 672 proven. 296 refuted. 0 times theorem prover too weak. 7330 trivial. 0 not checked. [2018-02-04 03:02:57,275 INFO L182 omatonBuilderFactory]: Interpolants [57152#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 57153#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 57154#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 57155#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 57156#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 57157#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 57158#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 57159#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 57160#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 57161#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 57162#(<= |foo_#in~size| 11), 57163#(<= main_~i~1 11), 57164#(<= main_~i~1 12), 57165#(<= main_~i~1 13), 57166#(<= main_~i~1 14), 57167#(<= main_~i~1 15), 57168#(<= main_~i~1 16), 57147#true, 57148#false, 57149#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 57150#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 57151#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2))] [2018-02-04 03:02:57,276 INFO L134 CoverageAnalysis]: Checked inductivity of 104556 backedges. 8922 proven. 4880 refuted. 0 times theorem prover too weak. 90754 trivial. 0 not checked. [2018-02-04 03:02:57,276 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:02:57,276 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:02:57,277 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:02:57,277 INFO L87 Difference]: Start difference. First operand 402 states and 574 transitions. Second operand 22 states. [2018-02-04 03:02:57,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:57,573 INFO L93 Difference]: Finished difference Result 946 states and 1837 transitions. [2018-02-04 03:02:57,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 03:02:57,573 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 1339 [2018-02-04 03:02:57,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:57,578 INFO L225 Difference]: With dead ends: 946 [2018-02-04 03:02:57,578 INFO L226 Difference]: Without dead ends: 946 [2018-02-04 03:02:57,578 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=342, Invalid=848, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:02:57,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2018-02-04 03:02:57,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 399. [2018-02-04 03:02:57,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-02-04 03:02:57,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 552 transitions. [2018-02-04 03:02:57,594 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 552 transitions. Word has length 1339 [2018-02-04 03:02:57,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:57,595 INFO L432 AbstractCegarLoop]: Abstraction has 399 states and 552 transitions. [2018-02-04 03:02:57,595 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:02:57,595 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 552 transitions. [2018-02-04 03:02:57,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1346 [2018-02-04 03:02:57,602 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:57,603 INFO L351 BasicCegarLoop]: trace histogram [200, 179, 179, 179, 179, 179, 22, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:57,603 INFO L371 AbstractCegarLoop]: === Iteration 86 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:57,603 INFO L82 PathProgramCache]: Analyzing trace with hash 688230274, now seen corresponding path program 77 times [2018-02-04 03:02:57,603 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:57,653 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:02:59,476 INFO L134 CoverageAnalysis]: Checked inductivity of 105666 backedges. 10595 proven. 4217 refuted. 0 times theorem prover too weak. 90854 trivial. 0 not checked. [2018-02-04 03:02:59,476 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:02:59,477 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:02:59,477 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:02:59,477 INFO L134 CoverageAnalysis]: Checked inductivity of 8325 backedges. 755 proven. 240 refuted. 0 times theorem prover too weak. 7330 trivial. 0 not checked. [2018-02-04 03:02:59,477 INFO L182 omatonBuilderFactory]: Interpolants [58560#(<= main_~i~1 15), 58561#(<= main_~i~1 16), 58540#true, 58541#false, 58542#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 58543#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 58544#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 58545#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 58546#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 58547#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 58548#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 58549#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 58550#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 58551#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 58552#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 58553#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 58554#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 58555#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 58556#(<= |foo_#in~size| 12), 58557#(<= main_~i~1 12), 58558#(<= main_~i~1 13), 58559#(<= main_~i~1 14)] [2018-02-04 03:02:59,479 INFO L134 CoverageAnalysis]: Checked inductivity of 105666 backedges. 10595 proven. 4217 refuted. 0 times theorem prover too weak. 90854 trivial. 0 not checked. [2018-02-04 03:02:59,479 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:02:59,479 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:02:59,479 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:02:59,479 INFO L87 Difference]: Start difference. First operand 399 states and 552 transitions. Second operand 22 states. [2018-02-04 03:02:59,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:02:59,780 INFO L93 Difference]: Finished difference Result 871 states and 1664 transitions. [2018-02-04 03:02:59,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 03:02:59,781 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 1345 [2018-02-04 03:02:59,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:02:59,785 INFO L225 Difference]: With dead ends: 871 [2018-02-04 03:02:59,785 INFO L226 Difference]: Without dead ends: 871 [2018-02-04 03:02:59,785 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=380, Invalid=880, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:02:59,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2018-02-04 03:02:59,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 399. [2018-02-04 03:02:59,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-02-04 03:02:59,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 552 transitions. [2018-02-04 03:02:59,797 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 552 transitions. Word has length 1345 [2018-02-04 03:02:59,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:02:59,797 INFO L432 AbstractCegarLoop]: Abstraction has 399 states and 552 transitions. [2018-02-04 03:02:59,797 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:02:59,797 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 552 transitions. [2018-02-04 03:02:59,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1352 [2018-02-04 03:02:59,805 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:02:59,805 INFO L351 BasicCegarLoop]: trace histogram [201, 180, 180, 180, 180, 180, 22, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:02:59,805 INFO L371 AbstractCegarLoop]: === Iteration 87 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:02:59,805 INFO L82 PathProgramCache]: Analyzing trace with hash 2088527882, now seen corresponding path program 78 times [2018-02-04 03:02:59,806 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:02:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:02:59,855 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:03:01,792 INFO L134 CoverageAnalysis]: Checked inductivity of 106782 backedges. 12502 proven. 3320 refuted. 0 times theorem prover too weak. 90960 trivial. 0 not checked. [2018-02-04 03:03:01,792 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:03:01,792 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:03:01,793 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:03:01,793 INFO L134 CoverageAnalysis]: Checked inductivity of 8343 backedges. 841 proven. 172 refuted. 0 times theorem prover too weak. 7330 trivial. 0 not checked. [2018-02-04 03:03:01,793 INFO L182 omatonBuilderFactory]: Interpolants [59872#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 59873#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 59874#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 59875#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 59876#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 14)), 59877#(<= |foo_#in~size| 13), 59878#(<= main_~i~1 13), 59879#(<= main_~i~1 14), 59880#(<= main_~i~1 15), 59881#(<= main_~i~1 16), 59860#true, 59861#false, 59862#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 59863#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 59864#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 59865#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 59866#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 59867#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 59868#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 59869#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 59870#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 59871#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9))] [2018-02-04 03:03:01,796 INFO L134 CoverageAnalysis]: Checked inductivity of 106782 backedges. 12502 proven. 3320 refuted. 0 times theorem prover too weak. 90960 trivial. 0 not checked. [2018-02-04 03:03:01,796 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:03:01,796 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:03:01,796 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=310, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:03:01,796 INFO L87 Difference]: Start difference. First operand 399 states and 552 transitions. Second operand 22 states. [2018-02-04 03:03:02,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:03:02,125 INFO L93 Difference]: Finished difference Result 784 states and 1460 transitions. [2018-02-04 03:03:02,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 03:03:02,126 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 1351 [2018-02-04 03:03:02,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:03:02,129 INFO L225 Difference]: With dead ends: 784 [2018-02-04 03:03:02,129 INFO L226 Difference]: Without dead ends: 784 [2018-02-04 03:03:02,130 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=422, Invalid=910, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:03:02,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2018-02-04 03:03:02,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 399. [2018-02-04 03:03:02,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-02-04 03:03:02,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 552 transitions. [2018-02-04 03:03:02,141 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 552 transitions. Word has length 1351 [2018-02-04 03:03:02,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:03:02,141 INFO L432 AbstractCegarLoop]: Abstraction has 399 states and 552 transitions. [2018-02-04 03:03:02,141 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:03:02,141 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 552 transitions. [2018-02-04 03:03:02,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1358 [2018-02-04 03:03:02,154 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:03:02,155 INFO L351 BasicCegarLoop]: trace histogram [202, 181, 181, 181, 181, 181, 22, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:03:02,155 INFO L371 AbstractCegarLoop]: === Iteration 88 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:03:02,155 INFO L82 PathProgramCache]: Analyzing trace with hash 709460434, now seen corresponding path program 79 times [2018-02-04 03:03:02,156 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:03:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:03:02,210 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:03:04,108 INFO L134 CoverageAnalysis]: Checked inductivity of 107904 backedges. 14661 proven. 2171 refuted. 0 times theorem prover too weak. 91072 trivial. 0 not checked. [2018-02-04 03:03:04,108 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:03:04,108 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:03:04,108 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:03:04,108 INFO L134 CoverageAnalysis]: Checked inductivity of 8355 backedges. 933 proven. 92 refuted. 0 times theorem prover too weak. 7330 trivial. 0 not checked. [2018-02-04 03:03:04,109 INFO L182 omatonBuilderFactory]: Interpolants [61095#true, 61096#false, 61097#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 61098#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 61099#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 61100#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 61101#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 61102#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 61103#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 61104#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 61105#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 61106#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 61107#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 61108#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 61109#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 61110#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 61111#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 14)), 61112#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 15)), 61113#(<= |foo_#in~size| 14), 61114#(<= main_~i~1 14), 61115#(<= main_~i~1 15), 61116#(<= main_~i~1 16)] [2018-02-04 03:03:04,110 INFO L134 CoverageAnalysis]: Checked inductivity of 107904 backedges. 14661 proven. 2171 refuted. 0 times theorem prover too weak. 91072 trivial. 0 not checked. [2018-02-04 03:03:04,110 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:03:04,110 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:03:04,110 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:03:04,110 INFO L87 Difference]: Start difference. First operand 399 states and 552 transitions. Second operand 22 states. [2018-02-04 03:03:04,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:03:04,402 INFO L93 Difference]: Finished difference Result 689 states and 1228 transitions. [2018-02-04 03:03:04,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 03:03:04,402 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 1357 [2018-02-04 03:03:04,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:03:04,405 INFO L225 Difference]: With dead ends: 689 [2018-02-04 03:03:04,405 INFO L226 Difference]: Without dead ends: 689 [2018-02-04 03:03:04,406 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=468, Invalid=938, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:03:04,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2018-02-04 03:03:04,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 399. [2018-02-04 03:03:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-02-04 03:03:04,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 552 transitions. [2018-02-04 03:03:04,413 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 552 transitions. Word has length 1357 [2018-02-04 03:03:04,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:03:04,413 INFO L432 AbstractCegarLoop]: Abstraction has 399 states and 552 transitions. [2018-02-04 03:03:04,413 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:03:04,413 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 552 transitions. [2018-02-04 03:03:04,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1364 [2018-02-04 03:03:04,421 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:03:04,421 INFO L351 BasicCegarLoop]: trace histogram [203, 182, 182, 182, 182, 182, 22, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:03:04,421 INFO L371 AbstractCegarLoop]: === Iteration 89 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:03:04,422 INFO L82 PathProgramCache]: Analyzing trace with hash -447877926, now seen corresponding path program 80 times [2018-02-04 03:03:04,422 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:03:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:03:04,469 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:03:06,354 INFO L134 CoverageAnalysis]: Checked inductivity of 109032 backedges. 17090 proven. 752 refuted. 0 times theorem prover too weak. 91190 trivial. 0 not checked. [2018-02-04 03:03:06,354 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:03:06,354 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:03:06,354 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:03:06,355 INFO L134 CoverageAnalysis]: Checked inductivity of 8361 backedges. 1031 proven. 0 refuted. 0 times theorem prover too weak. 7330 trivial. 0 not checked. [2018-02-04 03:03:06,355 INFO L182 omatonBuilderFactory]: Interpolants [62240#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 62241#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 62242#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 62243#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 62244#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 62245#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 62246#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 62247#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 62248#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 62249#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 62250#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 62251#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 62252#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 62253#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 14)), 62254#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 15)), 62255#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 16)), 62256#(<= |foo_#in~size| 15), 62257#(<= main_~i~1 15), 62258#(<= main_~i~1 16), 62237#true, 62238#false, 62239#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size))] [2018-02-04 03:03:06,356 INFO L134 CoverageAnalysis]: Checked inductivity of 109032 backedges. 17090 proven. 752 refuted. 0 times theorem prover too weak. 91190 trivial. 0 not checked. [2018-02-04 03:03:06,356 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:03:06,356 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:03:06,356 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=284, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:03:06,357 INFO L87 Difference]: Start difference. First operand 399 states and 552 transitions. Second operand 22 states. [2018-02-04 03:03:06,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:03:06,613 INFO L93 Difference]: Finished difference Result 587 states and 1007 transitions. [2018-02-04 03:03:06,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-02-04 03:03:06,614 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 1363 [2018-02-04 03:03:06,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:03:06,616 INFO L225 Difference]: With dead ends: 587 [2018-02-04 03:03:06,616 INFO L226 Difference]: Without dead ends: 587 [2018-02-04 03:03:06,616 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=518, Invalid=964, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:03:06,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2018-02-04 03:03:06,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 408. [2018-02-04 03:03:06,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2018-02-04 03:03:06,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 581 transitions. [2018-02-04 03:03:06,623 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 581 transitions. Word has length 1363 [2018-02-04 03:03:06,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:03:06,623 INFO L432 AbstractCegarLoop]: Abstraction has 408 states and 581 transitions. [2018-02-04 03:03:06,623 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:03:06,624 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 581 transitions. [2018-02-04 03:03:06,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1370 [2018-02-04 03:03:06,631 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:03:06,631 INFO L351 BasicCegarLoop]: trace histogram [204, 183, 183, 183, 183, 183, 22, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:03:06,631 INFO L371 AbstractCegarLoop]: === Iteration 90 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:03:06,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1490364706, now seen corresponding path program 81 times [2018-02-04 03:03:06,632 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:03:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:03:06,682 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:03:08,602 INFO L134 CoverageAnalysis]: Checked inductivity of 110166 backedges. 3655 proven. 7711 refuted. 0 times theorem prover too weak. 98800 trivial. 0 not checked. [2018-02-04 03:03:08,602 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:03:08,602 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:03:08,603 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:03:08,603 INFO L134 CoverageAnalysis]: Checked inductivity of 8358 backedges. 283 proven. 634 refuted. 0 times theorem prover too weak. 7441 trivial. 0 not checked. [2018-02-04 03:03:08,603 INFO L182 omatonBuilderFactory]: Interpolants [63296#(<= 6 main_~i~1), 63297#(<= 7 main_~i~1), 63298#(<= 8 main_~i~1), 63299#(<= 9 main_~i~1), 63300#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 63301#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 63302#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 63303#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 63304#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 63305#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 63306#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 63307#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 63308#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 63309#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 63310#(<= |foo_#in~size| 8), 63288#true, 63289#false, 63290#(<= 0 main_~i~1), 63291#(<= 1 main_~i~1), 63292#(<= 2 main_~i~1), 63293#(<= 3 main_~i~1), 63294#(<= 4 main_~i~1), 63295#(<= 5 main_~i~1)] [2018-02-04 03:03:08,604 INFO L134 CoverageAnalysis]: Checked inductivity of 110166 backedges. 3655 proven. 7711 refuted. 0 times theorem prover too weak. 98800 trivial. 0 not checked. [2018-02-04 03:03:08,604 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:03:08,604 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:03:08,605 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:03:08,605 INFO L87 Difference]: Start difference. First operand 408 states and 581 transitions. Second operand 23 states. [2018-02-04 03:03:09,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:03:09,086 INFO L93 Difference]: Finished difference Result 456 states and 627 transitions. [2018-02-04 03:03:09,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:03:09,086 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 1369 [2018-02-04 03:03:09,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:03:09,087 INFO L225 Difference]: With dead ends: 456 [2018-02-04 03:03:09,088 INFO L226 Difference]: Without dead ends: 456 [2018-02-04 03:03:09,088 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=241, Invalid=751, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:03:09,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2018-02-04 03:03:09,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 411. [2018-02-04 03:03:09,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2018-02-04 03:03:09,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 591 transitions. [2018-02-04 03:03:09,092 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 591 transitions. Word has length 1369 [2018-02-04 03:03:09,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:03:09,092 INFO L432 AbstractCegarLoop]: Abstraction has 411 states and 591 transitions. [2018-02-04 03:03:09,092 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:03:09,092 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 591 transitions. [2018-02-04 03:03:09,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1412 [2018-02-04 03:03:09,100 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:03:09,101 INFO L351 BasicCegarLoop]: trace histogram [211, 190, 190, 190, 190, 190, 22, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:03:09,101 INFO L371 AbstractCegarLoop]: === Iteration 91 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:03:09,101 INFO L82 PathProgramCache]: Analyzing trace with hash 883233050, now seen corresponding path program 82 times [2018-02-04 03:03:09,101 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:03:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:03:09,151 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:03:11,189 INFO L134 CoverageAnalysis]: Checked inductivity of 118272 backedges. 0 proven. 1302 refuted. 0 times theorem prover too weak. 116970 trivial. 0 not checked. [2018-02-04 03:03:11,189 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:03:11,190 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:03:11,190 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:03:11,190 INFO L134 CoverageAnalysis]: Checked inductivity of 8673 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8673 trivial. 0 not checked. [2018-02-04 03:03:11,190 INFO L182 omatonBuilderFactory]: Interpolants [64196#true, 64197#false, 64198#(= main_~i~1 0), 64199#(<= main_~i~1 1), 64200#(<= main_~i~1 2), 64201#(<= main_~i~1 3), 64202#(<= main_~i~1 4), 64203#(<= main_~i~1 5), 64204#(<= main_~i~1 6), 64205#(<= main_~i~1 7), 64206#(<= main_~i~1 8), 64207#(<= main_~i~1 9), 64208#(<= main_~i~1 10), 64209#(<= main_~i~1 11), 64210#(<= main_~i~1 12), 64211#(<= main_~i~1 13), 64212#(<= main_~i~1 14), 64213#(<= main_~i~1 15), 64214#(<= main_~i~1 16), 64215#(<= main_~i~1 17), 64216#(<= main_~i~1 18), 64217#(<= main_~i~1 19), 64218#(<= main_~i~1 20), 64219#(<= main_~i~1 21)] [2018-02-04 03:03:11,191 INFO L134 CoverageAnalysis]: Checked inductivity of 118272 backedges. 0 proven. 1302 refuted. 0 times theorem prover too weak. 116970 trivial. 0 not checked. [2018-02-04 03:03:11,191 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:03:11,191 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:03:11,192 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:03:11,192 INFO L87 Difference]: Start difference. First operand 411 states and 591 transitions. Second operand 24 states. [2018-02-04 03:03:11,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:03:11,443 INFO L93 Difference]: Finished difference Result 665 states and 945 transitions. [2018-02-04 03:03:11,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 03:03:11,443 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1411 [2018-02-04 03:03:11,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:03:11,445 INFO L225 Difference]: With dead ends: 665 [2018-02-04 03:03:11,445 INFO L226 Difference]: Without dead ends: 665 [2018-02-04 03:03:11,446 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:03:11,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2018-02-04 03:03:11,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 422. [2018-02-04 03:03:11,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2018-02-04 03:03:11,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 609 transitions. [2018-02-04 03:03:11,452 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 609 transitions. Word has length 1411 [2018-02-04 03:03:11,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:03:11,452 INFO L432 AbstractCegarLoop]: Abstraction has 422 states and 609 transitions. [2018-02-04 03:03:11,452 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:03:11,452 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 609 transitions. [2018-02-04 03:03:11,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1484 [2018-02-04 03:03:11,461 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:03:11,462 INFO L351 BasicCegarLoop]: trace histogram [222, 200, 200, 200, 200, 200, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:03:11,462 INFO L371 AbstractCegarLoop]: === Iteration 92 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:03:11,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1481703445, now seen corresponding path program 83 times [2018-02-04 03:03:11,463 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:03:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:03:11,525 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:03:13,627 INFO L134 CoverageAnalysis]: Checked inductivity of 131016 backedges. 8096 proven. 5145 refuted. 0 times theorem prover too weak. 117775 trivial. 0 not checked. [2018-02-04 03:03:13,627 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:03:13,627 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:03:13,627 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:03:13,628 INFO L134 CoverageAnalysis]: Checked inductivity of 9738 backedges. 735 proven. 310 refuted. 0 times theorem prover too weak. 8693 trivial. 0 not checked. [2018-02-04 03:03:13,628 INFO L182 omatonBuilderFactory]: Interpolants [65312#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 65313#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 65314#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 65315#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 65316#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 65317#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 65318#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 65319#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 65320#(<= |foo_#in~size| 9), 65321#(<= main_~i~1 9), 65322#(<= main_~i~1 10), 65323#(<= main_~i~1 11), 65324#(<= main_~i~1 12), 65325#(<= main_~i~1 13), 65326#(<= main_~i~1 14), 65327#(<= main_~i~1 15), 65307#true, 65308#false, 65309#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 65310#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 65311#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2))] [2018-02-04 03:03:13,629 INFO L134 CoverageAnalysis]: Checked inductivity of 131016 backedges. 8096 proven. 5145 refuted. 0 times theorem prover too weak. 117775 trivial. 0 not checked. [2018-02-04 03:03:13,630 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:03:13,630 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:03:13,630 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:03:13,630 INFO L87 Difference]: Start difference. First operand 422 states and 609 transitions. Second operand 21 states. [2018-02-04 03:03:13,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:03:13,901 INFO L93 Difference]: Finished difference Result 1064 states and 2012 transitions. [2018-02-04 03:03:13,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:03:13,902 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1483 [2018-02-04 03:03:13,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:03:13,907 INFO L225 Difference]: With dead ends: 1064 [2018-02-04 03:03:13,907 INFO L226 Difference]: Without dead ends: 1064 [2018-02-04 03:03:13,907 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=269, Invalid=723, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:03:13,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2018-02-04 03:03:13,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 425. [2018-02-04 03:03:13,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2018-02-04 03:03:13,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 632 transitions. [2018-02-04 03:03:13,920 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 632 transitions. Word has length 1483 [2018-02-04 03:03:13,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:03:13,920 INFO L432 AbstractCegarLoop]: Abstraction has 425 states and 632 transitions. [2018-02-04 03:03:13,920 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:03:13,920 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 632 transitions. [2018-02-04 03:03:13,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1490 [2018-02-04 03:03:13,929 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:03:13,929 INFO L351 BasicCegarLoop]: trace histogram [223, 201, 201, 201, 201, 201, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:03:13,929 INFO L371 AbstractCegarLoop]: === Iteration 93 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:03:13,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1301125325, now seen corresponding path program 84 times [2018-02-04 03:03:13,930 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:03:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:03:13,981 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:03:16,202 INFO L134 CoverageAnalysis]: Checked inductivity of 132260 backedges. 8818 proven. 5667 refuted. 0 times theorem prover too weak. 117775 trivial. 0 not checked. [2018-02-04 03:03:16,202 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:03:16,203 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:03:16,203 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:03:16,203 INFO L134 CoverageAnalysis]: Checked inductivity of 9747 backedges. 714 proven. 340 refuted. 0 times theorem prover too weak. 8693 trivial. 0 not checked. [2018-02-04 03:03:16,203 INFO L182 omatonBuilderFactory]: Interpolants [66849#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 66848#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 66851#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 66850#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 66853#(<= |foo_#in~size| 10), 66852#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 66855#(<= main_~i~1 11), 66854#(<= main_~i~1 10), 66857#(<= main_~i~1 13), 66856#(<= main_~i~1 12), 66859#(<= main_~i~1 15), 66858#(<= main_~i~1 14), 66860#(<= main_~i~1 16), 66839#true, 66841#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 66840#false, 66843#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 66842#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 66845#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 66844#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 66847#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 66846#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5))] [2018-02-04 03:03:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 132260 backedges. 8818 proven. 5667 refuted. 0 times theorem prover too weak. 117775 trivial. 0 not checked. [2018-02-04 03:03:16,205 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:03:16,205 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:03:16,205 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:03:16,205 INFO L87 Difference]: Start difference. First operand 425 states and 632 transitions. Second operand 22 states. [2018-02-04 03:03:16,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:03:16,453 INFO L93 Difference]: Finished difference Result 1067 states and 2130 transitions. [2018-02-04 03:03:16,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 03:03:16,453 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 1489 [2018-02-04 03:03:16,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:03:16,459 INFO L225 Difference]: With dead ends: 1067 [2018-02-04 03:03:16,459 INFO L226 Difference]: Without dead ends: 1067 [2018-02-04 03:03:16,459 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=308, Invalid=814, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:03:16,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2018-02-04 03:03:16,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 425. [2018-02-04 03:03:16,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2018-02-04 03:03:16,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 632 transitions. [2018-02-04 03:03:16,473 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 632 transitions. Word has length 1489 [2018-02-04 03:03:16,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:03:16,474 INFO L432 AbstractCegarLoop]: Abstraction has 425 states and 632 transitions. [2018-02-04 03:03:16,474 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:03:16,474 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 632 transitions. [2018-02-04 03:03:16,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1496 [2018-02-04 03:03:16,483 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:03:16,483 INFO L351 BasicCegarLoop]: trace histogram [224, 202, 202, 202, 202, 202, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:03:16,483 INFO L371 AbstractCegarLoop]: === Iteration 94 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:03:16,483 INFO L82 PathProgramCache]: Analyzing trace with hash -510838661, now seen corresponding path program 85 times [2018-02-04 03:03:16,483 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:03:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:03:16,536 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:03:18,817 INFO L134 CoverageAnalysis]: Checked inductivity of 133510 backedges. 9540 proven. 6195 refuted. 0 times theorem prover too weak. 117775 trivial. 0 not checked. [2018-02-04 03:03:18,817 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:03:18,818 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:03:18,818 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:03:18,818 INFO L134 CoverageAnalysis]: Checked inductivity of 9777 backedges. 714 proven. 370 refuted. 0 times theorem prover too weak. 8693 trivial. 0 not checked. [2018-02-04 03:03:18,818 INFO L182 omatonBuilderFactory]: Interpolants [68385#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 68384#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 68387#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 68386#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 68389#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 68388#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 68391#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 68390#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 68393#(<= main_~i~1 11), 68392#(<= |foo_#in~size| 11), 68395#(<= main_~i~1 13), 68394#(<= main_~i~1 12), 68397#(<= main_~i~1 15), 68396#(<= main_~i~1 14), 68399#(<= main_~i~1 17), 68398#(<= main_~i~1 16), 68377#true, 68379#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 68378#false, 68381#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 68380#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 68383#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 68382#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3))] [2018-02-04 03:03:18,820 INFO L134 CoverageAnalysis]: Checked inductivity of 133510 backedges. 9540 proven. 6195 refuted. 0 times theorem prover too weak. 117775 trivial. 0 not checked. [2018-02-04 03:03:18,820 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:03:18,820 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:03:18,820 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:03:18,820 INFO L87 Difference]: Start difference. First operand 425 states and 632 transitions. Second operand 23 states. [2018-02-04 03:03:19,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:03:19,093 INFO L93 Difference]: Finished difference Result 1067 states and 2130 transitions. [2018-02-04 03:03:19,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 03:03:19,093 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 1495 [2018-02-04 03:03:19,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:03:19,098 INFO L225 Difference]: With dead ends: 1067 [2018-02-04 03:03:19,098 INFO L226 Difference]: Without dead ends: 1067 [2018-02-04 03:03:19,098 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=350, Invalid=910, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:03:19,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2018-02-04 03:03:19,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 422. [2018-02-04 03:03:19,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2018-02-04 03:03:19,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 609 transitions. [2018-02-04 03:03:19,111 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 609 transitions. Word has length 1495 [2018-02-04 03:03:19,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:03:19,112 INFO L432 AbstractCegarLoop]: Abstraction has 422 states and 609 transitions. [2018-02-04 03:03:19,112 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:03:19,112 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 609 transitions. [2018-02-04 03:03:19,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1502 [2018-02-04 03:03:19,120 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:03:19,121 INFO L351 BasicCegarLoop]: trace histogram [225, 203, 203, 203, 203, 203, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:03:19,121 INFO L371 AbstractCegarLoop]: === Iteration 95 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:03:19,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1404570685, now seen corresponding path program 86 times [2018-02-04 03:03:19,121 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:03:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:03:19,174 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:03:21,473 INFO L134 CoverageAnalysis]: Checked inductivity of 134766 backedges. 11261 proven. 5630 refuted. 0 times theorem prover too weak. 117875 trivial. 0 not checked. [2018-02-04 03:03:21,473 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:03:21,473 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:03:21,473 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:03:21,474 INFO L134 CoverageAnalysis]: Checked inductivity of 9810 backedges. 797 proven. 320 refuted. 0 times theorem prover too weak. 8693 trivial. 0 not checked. [2018-02-04 03:03:21,474 INFO L182 omatonBuilderFactory]: Interpolants [69921#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 69920#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 69923#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 69922#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 69925#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 69924#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 69927#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 69926#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 69929#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 69928#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 69931#(<= |foo_#in~size| 12), 69930#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 69933#(<= main_~i~1 13), 69932#(<= main_~i~1 12), 69935#(<= main_~i~1 15), 69934#(<= main_~i~1 14), 69937#(<= main_~i~1 17), 69936#(<= main_~i~1 16), 69915#true, 69917#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 69916#false, 69919#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 69918#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1))] [2018-02-04 03:03:21,475 INFO L134 CoverageAnalysis]: Checked inductivity of 134766 backedges. 11261 proven. 5630 refuted. 0 times theorem prover too weak. 117875 trivial. 0 not checked. [2018-02-04 03:03:21,475 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:03:21,475 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:03:21,475 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=357, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:03:21,476 INFO L87 Difference]: Start difference. First operand 422 states and 609 transitions. Second operand 23 states. [2018-02-04 03:03:21,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:03:21,736 INFO L93 Difference]: Finished difference Result 998 states and 1971 transitions. [2018-02-04 03:03:21,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 03:03:21,736 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 1501 [2018-02-04 03:03:21,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:03:21,740 INFO L225 Difference]: With dead ends: 998 [2018-02-04 03:03:21,741 INFO L226 Difference]: Without dead ends: 998 [2018-02-04 03:03:21,741 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=387, Invalid=945, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:03:21,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2018-02-04 03:03:21,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 422. [2018-02-04 03:03:21,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2018-02-04 03:03:21,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 609 transitions. [2018-02-04 03:03:21,752 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 609 transitions. Word has length 1501 [2018-02-04 03:03:21,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:03:21,753 INFO L432 AbstractCegarLoop]: Abstraction has 422 states and 609 transitions. [2018-02-04 03:03:21,753 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:03:21,753 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 609 transitions. [2018-02-04 03:03:21,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1508 [2018-02-04 03:03:21,762 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:03:21,762 INFO L351 BasicCegarLoop]: trace histogram [226, 204, 204, 204, 204, 204, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:03:21,762 INFO L371 AbstractCegarLoop]: === Iteration 96 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:03:21,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1448411211, now seen corresponding path program 87 times [2018-02-04 03:03:21,763 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:03:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:03:21,813 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:03:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 136028 backedges. 13216 proven. 4831 refuted. 0 times theorem prover too weak. 117981 trivial. 0 not checked. [2018-02-04 03:03:24,144 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:03:24,144 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:03:24,144 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:03:24,145 INFO L134 CoverageAnalysis]: Checked inductivity of 9834 backedges. 883 proven. 258 refuted. 0 times theorem prover too weak. 8693 trivial. 0 not checked. [2018-02-04 03:03:24,145 INFO L182 omatonBuilderFactory]: Interpolants [71393#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 71392#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 71395#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 71394#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 71397#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 71396#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 71399#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 71398#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 71401#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 71400#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 71403#(<= |foo_#in~size| 13), 71402#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 14)), 71405#(<= main_~i~1 14), 71404#(<= main_~i~1 13), 71407#(<= main_~i~1 16), 71406#(<= main_~i~1 15), 71408#(<= main_~i~1 17), 71387#false, 71386#true, 71389#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 71388#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 71391#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 71390#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2))] [2018-02-04 03:03:24,147 INFO L134 CoverageAnalysis]: Checked inductivity of 136028 backedges. 13216 proven. 4831 refuted. 0 times theorem prover too weak. 117981 trivial. 0 not checked. [2018-02-04 03:03:24,147 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:03:24,147 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:03:24,147 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=348, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:03:24,147 INFO L87 Difference]: Start difference. First operand 422 states and 609 transitions. Second operand 23 states. [2018-02-04 03:03:24,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:03:24,412 INFO L93 Difference]: Finished difference Result 917 states and 1781 transitions. [2018-02-04 03:03:24,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 03:03:24,412 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 1507 [2018-02-04 03:03:24,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:03:24,415 INFO L225 Difference]: With dead ends: 917 [2018-02-04 03:03:24,416 INFO L226 Difference]: Without dead ends: 917 [2018-02-04 03:03:24,416 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=428, Invalid=978, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:03:24,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 917 states. [2018-02-04 03:03:24,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 917 to 422. [2018-02-04 03:03:24,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2018-02-04 03:03:24,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 609 transitions. [2018-02-04 03:03:24,426 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 609 transitions. Word has length 1507 [2018-02-04 03:03:24,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:03:24,426 INFO L432 AbstractCegarLoop]: Abstraction has 422 states and 609 transitions. [2018-02-04 03:03:24,426 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:03:24,426 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 609 transitions. [2018-02-04 03:03:24,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1514 [2018-02-04 03:03:24,435 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:03:24,435 INFO L351 BasicCegarLoop]: trace histogram [227, 205, 205, 205, 205, 205, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:03:24,435 INFO L371 AbstractCegarLoop]: === Iteration 97 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:03:24,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1680933357, now seen corresponding path program 88 times [2018-02-04 03:03:24,436 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:03:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:03:24,490 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:03:26,806 INFO L134 CoverageAnalysis]: Checked inductivity of 137296 backedges. 15423 proven. 3780 refuted. 0 times theorem prover too weak. 118093 trivial. 0 not checked. [2018-02-04 03:03:26,806 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:03:26,806 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:03:26,806 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:03:26,807 INFO L134 CoverageAnalysis]: Checked inductivity of 9852 backedges. 975 proven. 184 refuted. 0 times theorem prover too weak. 8693 trivial. 0 not checked. [2018-02-04 03:03:26,807 INFO L182 omatonBuilderFactory]: Interpolants [72800#(<= main_~i~1 17), 72779#false, 72778#true, 72781#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 72780#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 72783#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 72782#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 72785#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 72784#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 72787#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 72786#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 72789#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 72788#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 72791#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 72790#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 72793#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 72792#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 72795#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 15)), 72794#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 14)), 72797#(<= main_~i~1 14), 72796#(<= |foo_#in~size| 14), 72799#(<= main_~i~1 16), 72798#(<= main_~i~1 15)] [2018-02-04 03:03:26,808 INFO L134 CoverageAnalysis]: Checked inductivity of 137296 backedges. 15423 proven. 3780 refuted. 0 times theorem prover too weak. 118093 trivial. 0 not checked. [2018-02-04 03:03:26,808 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:03:26,808 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:03:26,808 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=337, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:03:26,809 INFO L87 Difference]: Start difference. First operand 422 states and 609 transitions. Second operand 23 states. [2018-02-04 03:03:27,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:03:27,080 INFO L93 Difference]: Finished difference Result 824 states and 1559 transitions. [2018-02-04 03:03:27,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-02-04 03:03:27,080 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 1513 [2018-02-04 03:03:27,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:03:27,083 INFO L225 Difference]: With dead ends: 824 [2018-02-04 03:03:27,083 INFO L226 Difference]: Without dead ends: 824 [2018-02-04 03:03:27,083 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=473, Invalid=1009, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:03:27,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2018-02-04 03:03:27,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 422. [2018-02-04 03:03:27,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2018-02-04 03:03:27,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 609 transitions. [2018-02-04 03:03:27,093 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 609 transitions. Word has length 1513 [2018-02-04 03:03:27,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:03:27,094 INFO L432 AbstractCegarLoop]: Abstraction has 422 states and 609 transitions. [2018-02-04 03:03:27,094 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:03:27,094 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 609 transitions. [2018-02-04 03:03:27,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1520 [2018-02-04 03:03:27,106 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:03:27,106 INFO L351 BasicCegarLoop]: trace histogram [228, 206, 206, 206, 206, 206, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:03:27,106 INFO L371 AbstractCegarLoop]: === Iteration 98 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:03:27,106 INFO L82 PathProgramCache]: Analyzing trace with hash 940768539, now seen corresponding path program 89 times [2018-02-04 03:03:27,107 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:03:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:03:27,157 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:03:29,518 INFO L134 CoverageAnalysis]: Checked inductivity of 138570 backedges. 17900 proven. 2459 refuted. 0 times theorem prover too weak. 118211 trivial. 0 not checked. [2018-02-04 03:03:29,518 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:03:29,518 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:03:29,518 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:03:29,519 INFO L134 CoverageAnalysis]: Checked inductivity of 9864 backedges. 1073 proven. 98 refuted. 0 times theorem prover too weak. 8693 trivial. 0 not checked. [2018-02-04 03:03:29,519 INFO L182 omatonBuilderFactory]: Interpolants [74081#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 74080#false, 74083#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 74082#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 74085#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 74084#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 74087#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 74086#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 74089#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 74088#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 74091#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 74090#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 74093#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 74092#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 74095#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 14)), 74094#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 74097#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 16)), 74096#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 15)), 74099#(<= main_~i~1 15), 74098#(<= |foo_#in~size| 15), 74101#(<= main_~i~1 17), 74100#(<= main_~i~1 16), 74079#true] [2018-02-04 03:03:29,520 INFO L134 CoverageAnalysis]: Checked inductivity of 138570 backedges. 17900 proven. 2459 refuted. 0 times theorem prover too weak. 118211 trivial. 0 not checked. [2018-02-04 03:03:29,520 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:03:29,521 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:03:29,521 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:03:29,521 INFO L87 Difference]: Start difference. First operand 422 states and 609 transitions. Second operand 23 states. [2018-02-04 03:03:29,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:03:29,794 INFO L93 Difference]: Finished difference Result 723 states and 1308 transitions. [2018-02-04 03:03:29,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 03:03:29,795 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 1519 [2018-02-04 03:03:29,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:03:29,798 INFO L225 Difference]: With dead ends: 723 [2018-02-04 03:03:29,798 INFO L226 Difference]: Without dead ends: 723 [2018-02-04 03:03:29,798 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=522, Invalid=1038, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:03:29,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2018-02-04 03:03:29,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 422. [2018-02-04 03:03:29,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2018-02-04 03:03:29,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 609 transitions. [2018-02-04 03:03:29,807 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 609 transitions. Word has length 1519 [2018-02-04 03:03:29,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:03:29,808 INFO L432 AbstractCegarLoop]: Abstraction has 422 states and 609 transitions. [2018-02-04 03:03:29,808 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:03:29,808 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 609 transitions. [2018-02-04 03:03:29,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1526 [2018-02-04 03:03:29,820 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:03:29,820 INFO L351 BasicCegarLoop]: trace histogram [229, 207, 207, 207, 207, 207, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:03:29,820 INFO L371 AbstractCegarLoop]: === Iteration 99 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:03:29,820 INFO L82 PathProgramCache]: Analyzing trace with hash -638812829, now seen corresponding path program 90 times [2018-02-04 03:03:29,821 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:03:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:03:29,875 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:03:32,319 INFO L134 CoverageAnalysis]: Checked inductivity of 139850 backedges. 20665 proven. 850 refuted. 0 times theorem prover too weak. 118335 trivial. 0 not checked. [2018-02-04 03:03:32,320 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:03:32,320 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:03:32,320 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:03:32,320 INFO L134 CoverageAnalysis]: Checked inductivity of 9870 backedges. 1177 proven. 0 refuted. 0 times theorem prover too weak. 8693 trivial. 0 not checked. [2018-02-04 03:03:32,320 INFO L182 omatonBuilderFactory]: Interpolants [75297#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 14)), 75296#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 75299#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 16)), 75298#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 15)), 75301#(<= |foo_#in~size| 16), 75300#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 17)), 75303#(<= main_~i~1 17), 75302#(<= main_~i~1 16), 75281#true, 75283#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 75282#false, 75285#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 75284#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 75287#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 75286#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 75289#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 75288#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 75291#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 75290#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 75293#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 75292#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 75295#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 75294#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11))] [2018-02-04 03:03:32,322 INFO L134 CoverageAnalysis]: Checked inductivity of 139850 backedges. 20665 proven. 850 refuted. 0 times theorem prover too weak. 118335 trivial. 0 not checked. [2018-02-04 03:03:32,322 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:03:32,322 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:03:32,322 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=309, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:03:32,322 INFO L87 Difference]: Start difference. First operand 422 states and 609 transitions. Second operand 23 states. [2018-02-04 03:03:32,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:03:32,638 INFO L93 Difference]: Finished difference Result 615 states and 1069 transitions. [2018-02-04 03:03:32,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-02-04 03:03:32,639 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 1525 [2018-02-04 03:03:32,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:03:32,641 INFO L225 Difference]: With dead ends: 615 [2018-02-04 03:03:32,641 INFO L226 Difference]: Without dead ends: 615 [2018-02-04 03:03:32,641 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=575, Invalid=1065, Unknown=0, NotChecked=0, Total=1640 [2018-02-04 03:03:32,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2018-02-04 03:03:32,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 431. [2018-02-04 03:03:32,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2018-02-04 03:03:32,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 639 transitions. [2018-02-04 03:03:32,648 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 639 transitions. Word has length 1525 [2018-02-04 03:03:32,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:03:32,648 INFO L432 AbstractCegarLoop]: Abstraction has 431 states and 639 transitions. [2018-02-04 03:03:32,648 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:03:32,648 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 639 transitions. [2018-02-04 03:03:32,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1532 [2018-02-04 03:03:32,658 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:03:32,658 INFO L351 BasicCegarLoop]: trace histogram [230, 208, 208, 208, 208, 208, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:03:32,658 INFO L371 AbstractCegarLoop]: === Iteration 100 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:03:32,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1350734101, now seen corresponding path program 91 times [2018-02-04 03:03:32,658 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:03:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:03:32,715 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:03:35,145 INFO L134 CoverageAnalysis]: Checked inductivity of 141136 backedges. 0 proven. 1430 refuted. 0 times theorem prover too weak. 139706 trivial. 0 not checked. [2018-02-04 03:03:35,146 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:03:35,146 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:03:35,146 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:03:35,146 INFO L134 CoverageAnalysis]: Checked inductivity of 9867 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9867 trivial. 0 not checked. [2018-02-04 03:03:35,146 INFO L182 omatonBuilderFactory]: Interpolants [76387#false, 76386#true, 76389#(<= main_~i~1 1), 76388#(= main_~i~1 0), 76391#(<= main_~i~1 3), 76390#(<= main_~i~1 2), 76393#(<= main_~i~1 5), 76392#(<= main_~i~1 4), 76395#(<= main_~i~1 7), 76394#(<= main_~i~1 6), 76397#(<= main_~i~1 9), 76396#(<= main_~i~1 8), 76399#(<= main_~i~1 11), 76398#(<= main_~i~1 10), 76401#(<= main_~i~1 13), 76400#(<= main_~i~1 12), 76403#(<= main_~i~1 15), 76402#(<= main_~i~1 14), 76405#(<= main_~i~1 17), 76404#(<= main_~i~1 16), 76407#(<= main_~i~1 19), 76406#(<= main_~i~1 18), 76409#(<= main_~i~1 21), 76408#(<= main_~i~1 20), 76410#(<= main_~i~1 22)] [2018-02-04 03:03:35,148 INFO L134 CoverageAnalysis]: Checked inductivity of 141136 backedges. 0 proven. 1430 refuted. 0 times theorem prover too weak. 139706 trivial. 0 not checked. [2018-02-04 03:03:35,148 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:03:35,148 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:03:35,148 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:03:35,148 INFO L87 Difference]: Start difference. First operand 431 states and 639 transitions. Second operand 25 states. [2018-02-04 03:03:35,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:03:35,317 INFO L93 Difference]: Finished difference Result 734 states and 1110 transitions. [2018-02-04 03:03:35,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:03:35,317 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 1531 [2018-02-04 03:03:35,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:03:35,320 INFO L225 Difference]: With dead ends: 734 [2018-02-04 03:03:35,320 INFO L226 Difference]: Without dead ends: 734 [2018-02-04 03:03:35,320 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:03:35,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2018-02-04 03:03:35,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 442. [2018-02-04 03:03:35,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2018-02-04 03:03:35,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 658 transitions. [2018-02-04 03:03:35,327 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 658 transitions. Word has length 1531 [2018-02-04 03:03:35,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:03:35,327 INFO L432 AbstractCegarLoop]: Abstraction has 442 states and 658 transitions. [2018-02-04 03:03:35,327 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:03:35,327 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 658 transitions. [2018-02-04 03:03:35,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1604 [2018-02-04 03:03:35,337 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:03:35,337 INFO L351 BasicCegarLoop]: trace histogram [241, 218, 218, 218, 218, 218, 24, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:03:35,337 INFO L371 AbstractCegarLoop]: === Iteration 101 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:03:35,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1118196036, now seen corresponding path program 92 times [2018-02-04 03:03:35,338 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:03:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:03:35,393 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:03:37,896 INFO L134 CoverageAnalysis]: Checked inductivity of 155028 backedges. 8196 proven. 6320 refuted. 0 times theorem prover too weak. 140512 trivial. 0 not checked. [2018-02-04 03:03:37,896 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:03:37,896 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:03:37,896 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:03:37,897 INFO L134 CoverageAnalysis]: Checked inductivity of 10995 backedges. 735 proven. 372 refuted. 0 times theorem prover too weak. 9888 trivial. 0 not checked. [2018-02-04 03:03:37,897 INFO L182 omatonBuilderFactory]: Interpolants [77601#(<= main_~i~1 9), 77600#(<= |foo_#in~size| 9), 77603#(<= main_~i~1 11), 77602#(<= main_~i~1 10), 77605#(<= main_~i~1 13), 77604#(<= main_~i~1 12), 77607#(<= main_~i~1 15), 77606#(<= main_~i~1 14), 77608#(<= main_~i~1 16), 77587#true, 77589#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 77588#false, 77591#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 77590#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 77593#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 77592#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 77595#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 77594#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 77597#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 77596#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 77599#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 77598#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9))] [2018-02-04 03:03:37,899 INFO L134 CoverageAnalysis]: Checked inductivity of 155028 backedges. 8196 proven. 6320 refuted. 0 times theorem prover too weak. 140512 trivial. 0 not checked. [2018-02-04 03:03:37,899 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:03:37,899 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:03:37,899 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:03:37,899 INFO L87 Difference]: Start difference. First operand 442 states and 658 transitions. Second operand 22 states. [2018-02-04 03:03:38,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:03:38,168 INFO L93 Difference]: Finished difference Result 1185 states and 2386 transitions. [2018-02-04 03:03:38,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 03:03:38,168 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 1603 [2018-02-04 03:03:38,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:03:38,174 INFO L225 Difference]: With dead ends: 1185 [2018-02-04 03:03:38,175 INFO L226 Difference]: Without dead ends: 1185 [2018-02-04 03:03:38,175 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=278, Invalid=778, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:03:38,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2018-02-04 03:03:38,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 445. [2018-02-04 03:03:38,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2018-02-04 03:03:38,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 682 transitions. [2018-02-04 03:03:38,191 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 682 transitions. Word has length 1603 [2018-02-04 03:03:38,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:03:38,191 INFO L432 AbstractCegarLoop]: Abstraction has 445 states and 682 transitions. [2018-02-04 03:03:38,191 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:03:38,191 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 682 transitions. [2018-02-04 03:03:38,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1610 [2018-02-04 03:03:38,201 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:03:38,202 INFO L351 BasicCegarLoop]: trace histogram [242, 219, 219, 219, 219, 219, 24, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:03:38,202 INFO L371 AbstractCegarLoop]: === Iteration 102 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:03:38,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1128291844, now seen corresponding path program 93 times [2018-02-04 03:03:38,202 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:03:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:03:38,258 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:03:40,845 INFO L134 CoverageAnalysis]: Checked inductivity of 156382 backedges. 8918 proven. 6952 refuted. 0 times theorem prover too weak. 140512 trivial. 0 not checked. [2018-02-04 03:03:40,846 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:03:40,846 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:03:40,846 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:03:40,846 INFO L134 CoverageAnalysis]: Checked inductivity of 11010 backedges. 714 proven. 408 refuted. 0 times theorem prover too weak. 9888 trivial. 0 not checked. [2018-02-04 03:03:40,846 INFO L182 omatonBuilderFactory]: Interpolants [79265#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 79264#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 79267#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 79266#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 79269#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 79268#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 79271#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 79270#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 79273#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 79272#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 79275#(<= |foo_#in~size| 10), 79274#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 79277#(<= main_~i~1 11), 79276#(<= main_~i~1 10), 79279#(<= main_~i~1 13), 79278#(<= main_~i~1 12), 79281#(<= main_~i~1 15), 79280#(<= main_~i~1 14), 79283#(<= main_~i~1 17), 79282#(<= main_~i~1 16), 79261#true, 79263#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 79262#false] [2018-02-04 03:03:40,848 INFO L134 CoverageAnalysis]: Checked inductivity of 156382 backedges. 8918 proven. 6952 refuted. 0 times theorem prover too weak. 140512 trivial. 0 not checked. [2018-02-04 03:03:40,848 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:03:40,848 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:03:40,848 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=369, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:03:40,848 INFO L87 Difference]: Start difference. First operand 445 states and 682 transitions. Second operand 23 states. [2018-02-04 03:03:41,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:03:41,131 INFO L93 Difference]: Finished difference Result 1188 states and 2521 transitions. [2018-02-04 03:03:41,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 03:03:41,132 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 1609 [2018-02-04 03:03:41,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:03:41,139 INFO L225 Difference]: With dead ends: 1188 [2018-02-04 03:03:41,139 INFO L226 Difference]: Without dead ends: 1188 [2018-02-04 03:03:41,139 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=317, Invalid=873, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:03:41,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2018-02-04 03:03:41,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 445. [2018-02-04 03:03:41,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2018-02-04 03:03:41,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 682 transitions. [2018-02-04 03:03:41,158 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 682 transitions. Word has length 1609 [2018-02-04 03:03:41,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:03:41,158 INFO L432 AbstractCegarLoop]: Abstraction has 445 states and 682 transitions. [2018-02-04 03:03:41,158 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:03:41,158 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 682 transitions. [2018-02-04 03:03:41,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1616 [2018-02-04 03:03:41,168 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:03:41,169 INFO L351 BasicCegarLoop]: trace histogram [243, 220, 220, 220, 220, 220, 24, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:03:41,169 INFO L371 AbstractCegarLoop]: === Iteration 103 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:03:41,169 INFO L82 PathProgramCache]: Analyzing trace with hash -2014808244, now seen corresponding path program 94 times [2018-02-04 03:03:41,169 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:03:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:03:41,229 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:03:43,928 INFO L134 CoverageAnalysis]: Checked inductivity of 157742 backedges. 9640 proven. 7590 refuted. 0 times theorem prover too weak. 140512 trivial. 0 not checked. [2018-02-04 03:03:43,928 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:03:43,928 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:03:43,928 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:03:43,929 INFO L134 CoverageAnalysis]: Checked inductivity of 11046 backedges. 714 proven. 444 refuted. 0 times theorem prover too weak. 9888 trivial. 0 not checked. [2018-02-04 03:03:43,929 INFO L182 omatonBuilderFactory]: Interpolants [80961#(<= main_~i~1 15), 80960#(<= main_~i~1 14), 80963#(<= main_~i~1 17), 80962#(<= main_~i~1 16), 80964#(<= main_~i~1 18), 80941#true, 80943#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 80942#false, 80945#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 80944#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 80947#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 80946#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 80949#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 80948#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 80951#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 80950#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 80953#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 80952#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 80955#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 80954#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 80957#(<= main_~i~1 11), 80956#(<= |foo_#in~size| 11), 80959#(<= main_~i~1 13), 80958#(<= main_~i~1 12)] [2018-02-04 03:03:43,931 INFO L134 CoverageAnalysis]: Checked inductivity of 157742 backedges. 9640 proven. 7590 refuted. 0 times theorem prover too weak. 140512 trivial. 0 not checked. [2018-02-04 03:03:43,931 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:03:43,931 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:03:43,931 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=401, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:03:43,931 INFO L87 Difference]: Start difference. First operand 445 states and 682 transitions. Second operand 24 states. [2018-02-04 03:03:44,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:03:44,247 INFO L93 Difference]: Finished difference Result 1188 states and 2521 transitions. [2018-02-04 03:03:44,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 03:03:44,247 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1615 [2018-02-04 03:03:44,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:03:44,253 INFO L225 Difference]: With dead ends: 1188 [2018-02-04 03:03:44,254 INFO L226 Difference]: Without dead ends: 1188 [2018-02-04 03:03:44,254 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=359, Invalid=973, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:03:44,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2018-02-04 03:03:44,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 442. [2018-02-04 03:03:44,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2018-02-04 03:03:44,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 658 transitions. [2018-02-04 03:03:44,273 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 658 transitions. Word has length 1615 [2018-02-04 03:03:44,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:03:44,274 INFO L432 AbstractCegarLoop]: Abstraction has 442 states and 658 transitions. [2018-02-04 03:03:44,274 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:03:44,274 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 658 transitions. [2018-02-04 03:03:44,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1622 [2018-02-04 03:03:44,285 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:03:44,285 INFO L351 BasicCegarLoop]: trace histogram [244, 221, 221, 221, 221, 221, 24, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:03:44,285 INFO L371 AbstractCegarLoop]: === Iteration 104 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:03:44,285 INFO L82 PathProgramCache]: Analyzing trace with hash 186284692, now seen corresponding path program 95 times [2018-02-04 03:03:44,285 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:03:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:03:44,346 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:03:47,138 INFO L134 CoverageAnalysis]: Checked inductivity of 159108 backedges. 11367 proven. 7129 refuted. 0 times theorem prover too weak. 140612 trivial. 0 not checked. [2018-02-04 03:03:47,138 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:03:47,138 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:03:47,138 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:03:47,139 INFO L134 CoverageAnalysis]: Checked inductivity of 11085 backedges. 797 proven. 400 refuted. 0 times theorem prover too weak. 9888 trivial. 0 not checked. [2018-02-04 03:03:47,139 INFO L182 omatonBuilderFactory]: Interpolants [82625#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 82624#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 82627#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 82626#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 82629#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 82628#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 82631#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 82630#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 82633#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 82632#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 82635#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 82634#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 82637#(<= |foo_#in~size| 12), 82636#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 82639#(<= main_~i~1 13), 82638#(<= main_~i~1 12), 82641#(<= main_~i~1 15), 82640#(<= main_~i~1 14), 82643#(<= main_~i~1 17), 82642#(<= main_~i~1 16), 82644#(<= main_~i~1 18), 82621#true, 82623#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 82622#false] [2018-02-04 03:03:47,140 INFO L134 CoverageAnalysis]: Checked inductivity of 159108 backedges. 11367 proven. 7129 refuted. 0 times theorem prover too weak. 140612 trivial. 0 not checked. [2018-02-04 03:03:47,141 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:03:47,141 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:03:47,141 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=395, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:03:47,141 INFO L87 Difference]: Start difference. First operand 442 states and 658 transitions. Second operand 24 states. [2018-02-04 03:03:47,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:03:47,427 INFO L93 Difference]: Finished difference Result 1125 states and 2368 transitions. [2018-02-04 03:03:47,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 03:03:47,428 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1621 [2018-02-04 03:03:47,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:03:47,433 INFO L225 Difference]: With dead ends: 1125 [2018-02-04 03:03:47,433 INFO L226 Difference]: Without dead ends: 1125 [2018-02-04 03:03:47,433 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=395, Invalid=1011, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:03:47,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2018-02-04 03:03:47,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 442. [2018-02-04 03:03:47,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2018-02-04 03:03:47,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 658 transitions. [2018-02-04 03:03:47,450 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 658 transitions. Word has length 1621 [2018-02-04 03:03:47,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:03:47,451 INFO L432 AbstractCegarLoop]: Abstraction has 442 states and 658 transitions. [2018-02-04 03:03:47,451 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:03:47,451 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 658 transitions. [2018-02-04 03:03:47,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1628 [2018-02-04 03:03:47,467 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:03:47,467 INFO L351 BasicCegarLoop]: trace histogram [245, 222, 222, 222, 222, 222, 24, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:03:47,467 INFO L371 AbstractCegarLoop]: === Iteration 105 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:03:47,467 INFO L82 PathProgramCache]: Analyzing trace with hash -2041573604, now seen corresponding path program 96 times [2018-02-04 03:03:47,468 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:03:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:03:47,540 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:03:50,291 INFO L134 CoverageAnalysis]: Checked inductivity of 160480 backedges. 13328 proven. 6434 refuted. 0 times theorem prover too weak. 140718 trivial. 0 not checked. [2018-02-04 03:03:50,291 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:03:50,291 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:03:50,291 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:03:50,292 INFO L134 CoverageAnalysis]: Checked inductivity of 11115 backedges. 883 proven. 344 refuted. 0 times theorem prover too weak. 9888 trivial. 0 not checked. [2018-02-04 03:03:50,292 INFO L182 omatonBuilderFactory]: Interpolants [84257#(<= |foo_#in~size| 13), 84256#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 14)), 84259#(<= main_~i~1 14), 84258#(<= main_~i~1 13), 84261#(<= main_~i~1 16), 84260#(<= main_~i~1 15), 84263#(<= main_~i~1 18), 84262#(<= main_~i~1 17), 84241#false, 84240#true, 84243#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 84242#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 84245#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 84244#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 84247#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 84246#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 84249#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 84248#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 84251#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 84250#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 84253#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 84252#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 84255#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 84254#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12))] [2018-02-04 03:03:50,294 INFO L134 CoverageAnalysis]: Checked inductivity of 160480 backedges. 13328 proven. 6434 refuted. 0 times theorem prover too weak. 140718 trivial. 0 not checked. [2018-02-04 03:03:50,294 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:03:50,294 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:03:50,294 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:03:50,294 INFO L87 Difference]: Start difference. First operand 442 states and 658 transitions. Second operand 24 states. [2018-02-04 03:03:50,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:03:50,551 INFO L93 Difference]: Finished difference Result 1050 states and 2183 transitions. [2018-02-04 03:03:50,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-02-04 03:03:50,551 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1627 [2018-02-04 03:03:50,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:03:50,556 INFO L225 Difference]: With dead ends: 1050 [2018-02-04 03:03:50,556 INFO L226 Difference]: Without dead ends: 1050 [2018-02-04 03:03:50,556 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=435, Invalid=1047, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:03:50,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1050 states. [2018-02-04 03:03:50,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1050 to 442. [2018-02-04 03:03:50,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2018-02-04 03:03:50,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 658 transitions. [2018-02-04 03:03:50,569 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 658 transitions. Word has length 1627 [2018-02-04 03:03:50,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:03:50,569 INFO L432 AbstractCegarLoop]: Abstraction has 442 states and 658 transitions. [2018-02-04 03:03:50,569 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:03:50,569 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 658 transitions. [2018-02-04 03:03:50,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1634 [2018-02-04 03:03:50,579 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:03:50,579 INFO L351 BasicCegarLoop]: trace histogram [246, 223, 223, 223, 223, 223, 24, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:03:50,579 INFO L371 AbstractCegarLoop]: === Iteration 106 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:03:50,580 INFO L82 PathProgramCache]: Analyzing trace with hash 4445412, now seen corresponding path program 97 times [2018-02-04 03:03:50,580 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:03:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:03:50,639 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:03:53,418 INFO L134 CoverageAnalysis]: Checked inductivity of 161858 backedges. 15541 proven. 5487 refuted. 0 times theorem prover too weak. 140830 trivial. 0 not checked. [2018-02-04 03:03:53,419 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:03:53,419 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:03:53,419 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:03:53,419 INFO L134 CoverageAnalysis]: Checked inductivity of 11139 backedges. 975 proven. 276 refuted. 0 times theorem prover too weak. 9888 trivial. 0 not checked. [2018-02-04 03:03:53,419 INFO L182 omatonBuilderFactory]: Interpolants [85793#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 85792#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 85795#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 85794#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 85797#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 85796#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 85799#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 85798#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 85801#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 85800#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 85803#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 15)), 85802#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 14)), 85805#(<= main_~i~1 14), 85804#(<= |foo_#in~size| 14), 85807#(<= main_~i~1 16), 85806#(<= main_~i~1 15), 85809#(<= main_~i~1 18), 85808#(<= main_~i~1 17), 85787#false, 85786#true, 85789#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 85788#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 85791#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 85790#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2))] [2018-02-04 03:03:53,421 INFO L134 CoverageAnalysis]: Checked inductivity of 161858 backedges. 15541 proven. 5487 refuted. 0 times theorem prover too weak. 140830 trivial. 0 not checked. [2018-02-04 03:03:53,421 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:03:53,421 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:03:53,421 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=377, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:03:53,422 INFO L87 Difference]: Start difference. First operand 442 states and 658 transitions. Second operand 24 states. [2018-02-04 03:03:53,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:03:53,728 INFO L93 Difference]: Finished difference Result 963 states and 1965 transitions. [2018-02-04 03:03:53,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 03:03:53,728 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1633 [2018-02-04 03:03:53,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:03:53,733 INFO L225 Difference]: With dead ends: 963 [2018-02-04 03:03:53,733 INFO L226 Difference]: Without dead ends: 963 [2018-02-04 03:03:53,733 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=479, Invalid=1081, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:03:53,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2018-02-04 03:03:53,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 442. [2018-02-04 03:03:53,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2018-02-04 03:03:53,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 658 transitions. [2018-02-04 03:03:53,745 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 658 transitions. Word has length 1633 [2018-02-04 03:03:53,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:03:53,745 INFO L432 AbstractCegarLoop]: Abstraction has 442 states and 658 transitions. [2018-02-04 03:03:53,745 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:03:53,745 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 658 transitions. [2018-02-04 03:03:53,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1640 [2018-02-04 03:03:53,755 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:03:53,755 INFO L351 BasicCegarLoop]: trace histogram [247, 224, 224, 224, 224, 224, 24, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:03:53,755 INFO L371 AbstractCegarLoop]: === Iteration 107 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:03:53,756 INFO L82 PathProgramCache]: Analyzing trace with hash -916268052, now seen corresponding path program 98 times [2018-02-04 03:03:53,756 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:03:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:03:53,811 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:03:56,585 INFO L134 CoverageAnalysis]: Checked inductivity of 163242 backedges. 18024 proven. 4270 refuted. 0 times theorem prover too weak. 140948 trivial. 0 not checked. [2018-02-04 03:03:56,585 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:03:56,586 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:03:56,586 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:03:56,586 INFO L134 CoverageAnalysis]: Checked inductivity of 11157 backedges. 1073 proven. 196 refuted. 0 times theorem prover too weak. 9888 trivial. 0 not checked. [2018-02-04 03:03:56,586 INFO L182 omatonBuilderFactory]: Interpolants [87265#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 16)), 87264#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 15)), 87267#(<= main_~i~1 15), 87266#(<= |foo_#in~size| 15), 87269#(<= main_~i~1 17), 87268#(<= main_~i~1 16), 87270#(<= main_~i~1 18), 87247#true, 87249#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 87248#false, 87251#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 87250#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 87253#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 87252#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 87255#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 87254#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 87257#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 87256#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 87259#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 87258#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 87261#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 87260#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 87263#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 14)), 87262#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13))] [2018-02-04 03:03:56,588 INFO L134 CoverageAnalysis]: Checked inductivity of 163242 backedges. 18024 proven. 4270 refuted. 0 times theorem prover too weak. 140948 trivial. 0 not checked. [2018-02-04 03:03:56,588 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:03:56,588 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:03:56,588 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=365, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:03:56,588 INFO L87 Difference]: Start difference. First operand 442 states and 658 transitions. Second operand 24 states. [2018-02-04 03:03:56,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:03:56,878 INFO L93 Difference]: Finished difference Result 864 states and 1713 transitions. [2018-02-04 03:03:56,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-02-04 03:03:56,878 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1639 [2018-02-04 03:03:56,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:03:56,882 INFO L225 Difference]: With dead ends: 864 [2018-02-04 03:03:56,882 INFO L226 Difference]: Without dead ends: 864 [2018-02-04 03:03:56,883 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=527, Invalid=1113, Unknown=0, NotChecked=0, Total=1640 [2018-02-04 03:03:56,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2018-02-04 03:03:56,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 442. [2018-02-04 03:03:56,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2018-02-04 03:03:56,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 658 transitions. [2018-02-04 03:03:56,892 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 658 transitions. Word has length 1639 [2018-02-04 03:03:56,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:03:56,893 INFO L432 AbstractCegarLoop]: Abstraction has 442 states and 658 transitions. [2018-02-04 03:03:56,893 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:03:56,893 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 658 transitions. [2018-02-04 03:03:56,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1646 [2018-02-04 03:03:56,903 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:03:56,903 INFO L351 BasicCegarLoop]: trace histogram [248, 225, 225, 225, 225, 225, 24, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:03:56,904 INFO L371 AbstractCegarLoop]: === Iteration 108 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:03:56,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1678203852, now seen corresponding path program 99 times [2018-02-04 03:03:56,904 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:03:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:03:56,962 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:03:59,795 INFO L134 CoverageAnalysis]: Checked inductivity of 164632 backedges. 20795 proven. 2765 refuted. 0 times theorem prover too weak. 141072 trivial. 0 not checked. [2018-02-04 03:03:59,795 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:03:59,795 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:03:59,795 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:03:59,796 INFO L134 CoverageAnalysis]: Checked inductivity of 11169 backedges. 1177 proven. 104 refuted. 0 times theorem prover too weak. 9888 trivial. 0 not checked. [2018-02-04 03:03:59,796 INFO L182 omatonBuilderFactory]: Interpolants [88611#true, 88613#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 88612#false, 88615#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 88614#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 88617#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 88616#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 88619#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 88618#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 88621#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 88620#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 88623#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 88622#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 88625#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 88624#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 88627#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 14)), 88626#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 88629#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 16)), 88628#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 15)), 88631#(<= |foo_#in~size| 16), 88630#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 17)), 88633#(<= main_~i~1 17), 88632#(<= main_~i~1 16), 88634#(<= main_~i~1 18)] [2018-02-04 03:03:59,798 INFO L134 CoverageAnalysis]: Checked inductivity of 164632 backedges. 20795 proven. 2765 refuted. 0 times theorem prover too weak. 141072 trivial. 0 not checked. [2018-02-04 03:03:59,798 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:03:59,798 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:03:59,798 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=351, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:03:59,798 INFO L87 Difference]: Start difference. First operand 442 states and 658 transitions. Second operand 24 states. [2018-02-04 03:04:00,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:04:00,097 INFO L93 Difference]: Finished difference Result 757 states and 1430 transitions. [2018-02-04 03:04:00,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-04 03:04:00,097 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1645 [2018-02-04 03:04:00,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:04:00,100 INFO L225 Difference]: With dead ends: 757 [2018-02-04 03:04:00,100 INFO L226 Difference]: Without dead ends: 757 [2018-02-04 03:04:00,101 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=579, Invalid=1143, Unknown=0, NotChecked=0, Total=1722 [2018-02-04 03:04:00,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2018-02-04 03:04:00,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 442. [2018-02-04 03:04:00,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2018-02-04 03:04:00,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 658 transitions. [2018-02-04 03:04:00,109 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 658 transitions. Word has length 1645 [2018-02-04 03:04:00,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:04:00,109 INFO L432 AbstractCegarLoop]: Abstraction has 442 states and 658 transitions. [2018-02-04 03:04:00,109 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:04:00,109 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 658 transitions. [2018-02-04 03:04:00,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1652 [2018-02-04 03:04:00,119 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:04:00,119 INFO L351 BasicCegarLoop]: trace histogram [249, 226, 226, 226, 226, 226, 24, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:04:00,120 INFO L371 AbstractCegarLoop]: === Iteration 109 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:04:00,120 INFO L82 PathProgramCache]: Analyzing trace with hash 269950396, now seen corresponding path program 100 times [2018-02-04 03:04:00,120 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:04:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:04:00,178 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:04:03,106 INFO L134 CoverageAnalysis]: Checked inductivity of 166028 backedges. 23872 proven. 954 refuted. 0 times theorem prover too weak. 141202 trivial. 0 not checked. [2018-02-04 03:04:03,106 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:04:03,106 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:04:03,106 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:04:03,106 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 1287 proven. 0 refuted. 0 times theorem prover too weak. 9888 trivial. 0 not checked. [2018-02-04 03:04:03,107 INFO L182 omatonBuilderFactory]: Interpolants [89889#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 17)), 89888#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 16)), 89891#(<= |foo_#in~size| 17), 89890#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 18)), 89893#(<= main_~i~1 18), 89892#(<= main_~i~1 17), 89871#false, 89870#true, 89873#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 89872#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 89875#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 89874#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 89877#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 89876#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 89879#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 89878#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 89881#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 89880#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 89883#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 89882#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 89885#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 89884#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 89887#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 15)), 89886#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 14))] [2018-02-04 03:04:03,108 INFO L134 CoverageAnalysis]: Checked inductivity of 166028 backedges. 23872 proven. 954 refuted. 0 times theorem prover too weak. 141202 trivial. 0 not checked. [2018-02-04 03:04:03,108 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:04:03,109 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:04:03,109 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=335, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:04:03,109 INFO L87 Difference]: Start difference. First operand 442 states and 658 transitions. Second operand 24 states. [2018-02-04 03:04:03,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:04:03,382 INFO L93 Difference]: Finished difference Result 643 states and 1159 transitions. [2018-02-04 03:04:03,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 03:04:03,382 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1651 [2018-02-04 03:04:03,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:04:03,385 INFO L225 Difference]: With dead ends: 643 [2018-02-04 03:04:03,385 INFO L226 Difference]: Without dead ends: 643 [2018-02-04 03:04:03,385 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=635, Invalid=1171, Unknown=0, NotChecked=0, Total=1806 [2018-02-04 03:04:03,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2018-02-04 03:04:03,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 451. [2018-02-04 03:04:03,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2018-02-04 03:04:03,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 689 transitions. [2018-02-04 03:04:03,392 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 689 transitions. Word has length 1651 [2018-02-04 03:04:03,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:04:03,392 INFO L432 AbstractCegarLoop]: Abstraction has 451 states and 689 transitions. [2018-02-04 03:04:03,392 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:04:03,392 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 689 transitions. [2018-02-04 03:04:03,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1658 [2018-02-04 03:04:03,403 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:04:03,403 INFO L351 BasicCegarLoop]: trace histogram [250, 227, 227, 227, 227, 227, 24, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:04:03,403 INFO L371 AbstractCegarLoop]: === Iteration 110 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:04:03,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1731897476, now seen corresponding path program 101 times [2018-02-04 03:04:03,404 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:04:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:04:03,464 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:04:06,383 INFO L134 CoverageAnalysis]: Checked inductivity of 167430 backedges. 4780 proven. 10634 refuted. 0 times theorem prover too weak. 152016 trivial. 0 not checked. [2018-02-04 03:04:06,383 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:04:06,383 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:04:06,384 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:04:06,384 INFO L134 CoverageAnalysis]: Checked inductivity of 11172 backedges. 345 proven. 759 refuted. 0 times theorem prover too weak. 10068 trivial. 0 not checked. [2018-02-04 03:04:06,384 INFO L182 omatonBuilderFactory]: Interpolants [91027#false, 91026#true, 91029#(<= 1 main_~i~1), 91028#(<= 0 main_~i~1), 91031#(<= 3 main_~i~1), 91030#(<= 2 main_~i~1), 91033#(<= 5 main_~i~1), 91032#(<= 4 main_~i~1), 91035#(<= 7 main_~i~1), 91034#(<= 6 main_~i~1), 91037#(<= 9 main_~i~1), 91036#(<= 8 main_~i~1), 91039#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 91038#(<= 10 main_~i~1), 91041#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 91040#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 91043#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 91042#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 91045#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 91044#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 91047#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 91046#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 91049#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 91048#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 91050#(<= |foo_#in~size| 9)] [2018-02-04 03:04:06,386 INFO L134 CoverageAnalysis]: Checked inductivity of 167430 backedges. 4780 proven. 10634 refuted. 0 times theorem prover too weak. 152016 trivial. 0 not checked. [2018-02-04 03:04:06,386 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:04:06,386 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:04:06,386 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:04:06,386 INFO L87 Difference]: Start difference. First operand 451 states and 689 transitions. Second operand 25 states. [2018-02-04 03:04:06,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:04:06,721 INFO L93 Difference]: Finished difference Result 504 states and 740 transitions. [2018-02-04 03:04:06,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 03:04:06,721 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 1657 [2018-02-04 03:04:06,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:04:06,723 INFO L225 Difference]: With dead ends: 504 [2018-02-04 03:04:06,723 INFO L226 Difference]: Without dead ends: 504 [2018-02-04 03:04:06,723 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=287, Invalid=903, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:04:06,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2018-02-04 03:04:06,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 454. [2018-02-04 03:04:06,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2018-02-04 03:04:06,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 700 transitions. [2018-02-04 03:04:06,728 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 700 transitions. Word has length 1657 [2018-02-04 03:04:06,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:04:06,728 INFO L432 AbstractCegarLoop]: Abstraction has 454 states and 700 transitions. [2018-02-04 03:04:06,728 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:04:06,729 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 700 transitions. [2018-02-04 03:04:06,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1694 [2018-02-04 03:04:06,740 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:04:06,740 INFO L351 BasicCegarLoop]: trace histogram [256, 233, 233, 233, 233, 233, 24, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:04:06,740 INFO L371 AbstractCegarLoop]: === Iteration 111 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:04:06,740 INFO L82 PathProgramCache]: Analyzing trace with hash -553193996, now seen corresponding path program 102 times [2018-02-04 03:04:06,741 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:04:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:04:06,803 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:04:09,859 INFO L134 CoverageAnalysis]: Checked inductivity of 175968 backedges. 0 proven. 1564 refuted. 0 times theorem prover too weak. 174404 trivial. 0 not checked. [2018-02-04 03:04:09,859 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:04:09,859 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:04:09,860 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:04:09,860 INFO L134 CoverageAnalysis]: Checked inductivity of 11496 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11496 trivial. 0 not checked. [2018-02-04 03:04:09,860 INFO L182 omatonBuilderFactory]: Interpolants [92033#(<= main_~i~1 2), 92032#(<= main_~i~1 1), 92035#(<= main_~i~1 4), 92034#(<= main_~i~1 3), 92037#(<= main_~i~1 6), 92036#(<= main_~i~1 5), 92039#(<= main_~i~1 8), 92038#(<= main_~i~1 7), 92041#(<= main_~i~1 10), 92040#(<= main_~i~1 9), 92043#(<= main_~i~1 12), 92042#(<= main_~i~1 11), 92045#(<= main_~i~1 14), 92044#(<= main_~i~1 13), 92047#(<= main_~i~1 16), 92046#(<= main_~i~1 15), 92049#(<= main_~i~1 18), 92048#(<= main_~i~1 17), 92051#(<= main_~i~1 20), 92050#(<= main_~i~1 19), 92053#(<= main_~i~1 22), 92052#(<= main_~i~1 21), 92054#(<= main_~i~1 23), 92029#true, 92031#(= main_~i~1 0), 92030#false] [2018-02-04 03:04:09,862 INFO L134 CoverageAnalysis]: Checked inductivity of 175968 backedges. 0 proven. 1564 refuted. 0 times theorem prover too weak. 174404 trivial. 0 not checked. [2018-02-04 03:04:09,862 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:04:09,862 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:04:09,862 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:04:09,862 INFO L87 Difference]: Start difference. First operand 454 states and 700 transitions. Second operand 26 states. [2018-02-04 03:04:10,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:04:10,050 INFO L93 Difference]: Finished difference Result 812 states and 1316 transitions. [2018-02-04 03:04:10,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 03:04:10,051 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 1693 [2018-02-04 03:04:10,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:04:10,054 INFO L225 Difference]: With dead ends: 812 [2018-02-04 03:04:10,054 INFO L226 Difference]: Without dead ends: 812 [2018-02-04 03:04:10,054 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:04:10,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2018-02-04 03:04:10,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 465. [2018-02-04 03:04:10,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-02-04 03:04:10,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 720 transitions. [2018-02-04 03:04:10,062 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 720 transitions. Word has length 1693 [2018-02-04 03:04:10,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:04:10,063 INFO L432 AbstractCegarLoop]: Abstraction has 465 states and 720 transitions. [2018-02-04 03:04:10,063 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:04:10,063 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 720 transitions. [2018-02-04 03:04:10,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1772 [2018-02-04 03:04:10,075 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:04:10,075 INFO L351 BasicCegarLoop]: trace histogram [268, 244, 244, 244, 244, 244, 25, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:04:10,075 INFO L371 AbstractCegarLoop]: === Iteration 112 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:04:10,075 INFO L82 PathProgramCache]: Analyzing trace with hash -387155123, now seen corresponding path program 103 times [2018-02-04 03:04:10,076 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:04:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:04:10,142 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:04:13,429 INFO L134 CoverageAnalysis]: Checked inductivity of 192948 backedges. 9426 proven. 8311 refuted. 0 times theorem prover too weak. 175211 trivial. 0 not checked. [2018-02-04 03:04:13,429 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:04:13,429 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:04:13,429 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:04:13,430 INFO L134 CoverageAnalysis]: Checked inductivity of 12762 backedges. 768 proven. 476 refuted. 0 times theorem prover too weak. 11518 trivial. 0 not checked. [2018-02-04 03:04:13,430 INFO L182 omatonBuilderFactory]: Interpolants [93345#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 93344#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 93347#(<= main_~i~1 10), 93346#(<= |foo_#in~size| 10), 93349#(<= main_~i~1 12), 93348#(<= main_~i~1 11), 93351#(<= main_~i~1 14), 93350#(<= main_~i~1 13), 93353#(<= main_~i~1 16), 93352#(<= main_~i~1 15), 93355#(<= main_~i~1 18), 93354#(<= main_~i~1 17), 93333#false, 93332#true, 93335#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 93334#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 93337#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 93336#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 93339#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 93338#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 93341#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 93340#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 93343#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 93342#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8))] [2018-02-04 03:04:13,432 INFO L134 CoverageAnalysis]: Checked inductivity of 192948 backedges. 9426 proven. 8311 refuted. 0 times theorem prover too weak. 175211 trivial. 0 not checked. [2018-02-04 03:04:13,432 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:04:13,432 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:04:13,432 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:04:13,432 INFO L87 Difference]: Start difference. First operand 465 states and 720 transitions. Second operand 24 states. [2018-02-04 03:04:13,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:04:13,694 INFO L93 Difference]: Finished difference Result 1309 states and 2840 transitions. [2018-02-04 03:04:13,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 03:04:13,694 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1771 [2018-02-04 03:04:13,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:04:13,702 INFO L225 Difference]: With dead ends: 1309 [2018-02-04 03:04:13,702 INFO L226 Difference]: Without dead ends: 1309 [2018-02-04 03:04:13,702 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=327, Invalid=933, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:04:13,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2018-02-04 03:04:13,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 468. [2018-02-04 03:04:13,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2018-02-04 03:04:13,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 745 transitions. [2018-02-04 03:04:13,722 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 745 transitions. Word has length 1771 [2018-02-04 03:04:13,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:04:13,723 INFO L432 AbstractCegarLoop]: Abstraction has 468 states and 745 transitions. [2018-02-04 03:04:13,723 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:04:13,723 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 745 transitions. [2018-02-04 03:04:13,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1778 [2018-02-04 03:04:13,735 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:04:13,735 INFO L351 BasicCegarLoop]: trace histogram [269, 245, 245, 245, 245, 245, 25, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:04:13,735 INFO L371 AbstractCegarLoop]: === Iteration 113 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:04:13,735 INFO L82 PathProgramCache]: Analyzing trace with hash 418574997, now seen corresponding path program 104 times [2018-02-04 03:04:13,736 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:04:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:04:13,801 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:04:17,201 INFO L134 CoverageAnalysis]: Checked inductivity of 194460 backedges. 10184 proven. 9065 refuted. 0 times theorem prover too weak. 175211 trivial. 0 not checked. [2018-02-04 03:04:17,201 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:04:17,201 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:04:17,201 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:04:17,202 INFO L134 CoverageAnalysis]: Checked inductivity of 12786 backedges. 750 proven. 518 refuted. 0 times theorem prover too weak. 11518 trivial. 0 not checked. [2018-02-04 03:04:17,202 INFO L182 omatonBuilderFactory]: Interpolants [95169#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 95168#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 95171#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 95170#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 95173#(<= main_~i~1 11), 95172#(<= |foo_#in~size| 11), 95175#(<= main_~i~1 13), 95174#(<= main_~i~1 12), 95177#(<= main_~i~1 15), 95176#(<= main_~i~1 14), 95179#(<= main_~i~1 17), 95178#(<= main_~i~1 16), 95181#(<= main_~i~1 19), 95180#(<= main_~i~1 18), 95157#true, 95159#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 95158#false, 95161#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 95160#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 95163#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 95162#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 95165#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 95164#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 95167#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 95166#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7))] [2018-02-04 03:04:17,204 INFO L134 CoverageAnalysis]: Checked inductivity of 194460 backedges. 10184 proven. 9065 refuted. 0 times theorem prover too weak. 175211 trivial. 0 not checked. [2018-02-04 03:04:17,204 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:04:17,204 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:04:17,204 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:04:17,204 INFO L87 Difference]: Start difference. First operand 468 states and 745 transitions. Second operand 25 states. [2018-02-04 03:04:17,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:04:17,512 INFO L93 Difference]: Finished difference Result 1309 states and 2840 transitions. [2018-02-04 03:04:17,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 03:04:17,512 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 1777 [2018-02-04 03:04:17,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:04:17,520 INFO L225 Difference]: With dead ends: 1309 [2018-02-04 03:04:17,520 INFO L226 Difference]: Without dead ends: 1309 [2018-02-04 03:04:17,520 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=369, Invalid=1037, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:04:17,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2018-02-04 03:04:17,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 465. [2018-02-04 03:04:17,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-02-04 03:04:17,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 720 transitions. [2018-02-04 03:04:17,539 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 720 transitions. Word has length 1777 [2018-02-04 03:04:17,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:04:17,539 INFO L432 AbstractCegarLoop]: Abstraction has 465 states and 720 transitions. [2018-02-04 03:04:17,539 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:04:17,539 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 720 transitions. [2018-02-04 03:04:17,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1784 [2018-02-04 03:04:17,551 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:04:17,552 INFO L351 BasicCegarLoop]: trace histogram [270, 246, 246, 246, 246, 246, 25, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:04:17,552 INFO L371 AbstractCegarLoop]: === Iteration 114 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:04:17,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1832594467, now seen corresponding path program 105 times [2018-02-04 03:04:17,552 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:04:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:04:17,616 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:04:20,982 INFO L134 CoverageAnalysis]: Checked inductivity of 195978 backedges. 11953 proven. 8714 refuted. 0 times theorem prover too weak. 175311 trivial. 0 not checked. [2018-02-04 03:04:20,982 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:04:20,982 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:04:20,982 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:04:20,983 INFO L134 CoverageAnalysis]: Checked inductivity of 12831 backedges. 833 proven. 480 refuted. 0 times theorem prover too weak. 11518 trivial. 0 not checked. [2018-02-04 03:04:20,983 INFO L182 omatonBuilderFactory]: Interpolants [96983#false, 96982#true, 96985#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 96984#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 96987#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 96986#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 96989#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 96988#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 96991#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 96990#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 96993#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 96992#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 96995#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 96994#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 96997#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 96996#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 96999#(<= main_~i~1 12), 96998#(<= |foo_#in~size| 12), 97001#(<= main_~i~1 14), 97000#(<= main_~i~1 13), 97003#(<= main_~i~1 16), 97002#(<= main_~i~1 15), 97005#(<= main_~i~1 18), 97004#(<= main_~i~1 17), 97006#(<= main_~i~1 19)] [2018-02-04 03:04:20,987 INFO L134 CoverageAnalysis]: Checked inductivity of 195978 backedges. 11953 proven. 8714 refuted. 0 times theorem prover too weak. 175311 trivial. 0 not checked. [2018-02-04 03:04:20,987 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:04:20,987 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:04:20,987 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:04:20,987 INFO L87 Difference]: Start difference. First operand 465 states and 720 transitions. Second operand 25 states. [2018-02-04 03:04:21,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:04:21,276 INFO L93 Difference]: Finished difference Result 1252 states and 2702 transitions. [2018-02-04 03:04:21,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-02-04 03:04:21,276 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 1783 [2018-02-04 03:04:21,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:04:21,282 INFO L225 Difference]: With dead ends: 1252 [2018-02-04 03:04:21,282 INFO L226 Difference]: Without dead ends: 1252 [2018-02-04 03:04:21,282 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=404, Invalid=1078, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:04:21,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2018-02-04 03:04:21,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 465. [2018-02-04 03:04:21,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-02-04 03:04:21,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 720 transitions. [2018-02-04 03:04:21,297 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 720 transitions. Word has length 1783 [2018-02-04 03:04:21,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:04:21,298 INFO L432 AbstractCegarLoop]: Abstraction has 465 states and 720 transitions. [2018-02-04 03:04:21,298 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:04:21,298 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 720 transitions. [2018-02-04 03:04:21,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1790 [2018-02-04 03:04:21,310 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:04:21,310 INFO L351 BasicCegarLoop]: trace histogram [271, 247, 247, 247, 247, 247, 25, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:04:21,310 INFO L371 AbstractCegarLoop]: === Iteration 115 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:04:21,310 INFO L82 PathProgramCache]: Analyzing trace with hash -156723611, now seen corresponding path program 106 times [2018-02-04 03:04:21,311 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:04:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:04:21,401 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:04:24,893 INFO L134 CoverageAnalysis]: Checked inductivity of 197502 backedges. 13956 proven. 8129 refuted. 0 times theorem prover too weak. 175417 trivial. 0 not checked. [2018-02-04 03:04:24,893 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:04:24,893 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:04:24,893 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:04:24,894 INFO L134 CoverageAnalysis]: Checked inductivity of 12867 backedges. 919 proven. 430 refuted. 0 times theorem prover too weak. 11518 trivial. 0 not checked. [2018-02-04 03:04:24,894 INFO L182 omatonBuilderFactory]: Interpolants [98753#false, 98752#true, 98755#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 98754#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 98757#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 98756#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 98759#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 98758#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 98761#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 98760#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 98763#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 98762#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 98765#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 98764#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 98767#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 98766#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 98769#(<= |foo_#in~size| 13), 98768#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 14)), 98771#(<= main_~i~1 14), 98770#(<= main_~i~1 13), 98773#(<= main_~i~1 16), 98772#(<= main_~i~1 15), 98775#(<= main_~i~1 18), 98774#(<= main_~i~1 17), 98776#(<= main_~i~1 19)] [2018-02-04 03:04:24,896 INFO L134 CoverageAnalysis]: Checked inductivity of 197502 backedges. 13956 proven. 8129 refuted. 0 times theorem prover too weak. 175417 trivial. 0 not checked. [2018-02-04 03:04:24,896 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:04:24,896 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:04:24,896 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:04:24,896 INFO L87 Difference]: Start difference. First operand 465 states and 720 transitions. Second operand 25 states. [2018-02-04 03:04:25,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:04:25,242 INFO L93 Difference]: Finished difference Result 1183 states and 2532 transitions. [2018-02-04 03:04:25,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 03:04:25,242 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 1789 [2018-02-04 03:04:25,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:04:25,249 INFO L225 Difference]: With dead ends: 1183 [2018-02-04 03:04:25,249 INFO L226 Difference]: Without dead ends: 1183 [2018-02-04 03:04:25,250 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=443, Invalid=1117, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:04:25,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2018-02-04 03:04:25,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 465. [2018-02-04 03:04:25,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-02-04 03:04:25,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 720 transitions. [2018-02-04 03:04:25,267 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 720 transitions. Word has length 1789 [2018-02-04 03:04:25,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:04:25,267 INFO L432 AbstractCegarLoop]: Abstraction has 465 states and 720 transitions. [2018-02-04 03:04:25,267 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:04:25,268 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 720 transitions. [2018-02-04 03:04:25,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1796 [2018-02-04 03:04:25,280 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:04:25,280 INFO L351 BasicCegarLoop]: trace histogram [272, 248, 248, 248, 248, 248, 25, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:04:25,280 INFO L371 AbstractCegarLoop]: === Iteration 116 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:04:25,280 INFO L82 PathProgramCache]: Analyzing trace with hash -801056211, now seen corresponding path program 107 times [2018-02-04 03:04:25,280 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:04:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:04:25,353 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:04:28,910 INFO L134 CoverageAnalysis]: Checked inductivity of 199032 backedges. 16211 proven. 7292 refuted. 0 times theorem prover too weak. 175529 trivial. 0 not checked. [2018-02-04 03:04:28,911 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:04:28,911 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:04:28,911 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:04:28,911 INFO L134 CoverageAnalysis]: Checked inductivity of 12897 backedges. 1011 proven. 368 refuted. 0 times theorem prover too weak. 11518 trivial. 0 not checked. [2018-02-04 03:04:28,912 INFO L182 omatonBuilderFactory]: Interpolants [100455#true, 100457#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 100456#false, 100459#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 100458#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 100461#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 100460#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 100463#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 100462#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 100465#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 100464#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 100467#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 100466#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 100469#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 100468#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 100471#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 14)), 100470#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 100473#(<= |foo_#in~size| 14), 100472#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 15)), 100475#(<= main_~i~1 15), 100474#(<= main_~i~1 14), 100477#(<= main_~i~1 17), 100476#(<= main_~i~1 16), 100479#(<= main_~i~1 19), 100478#(<= main_~i~1 18)] [2018-02-04 03:04:28,914 INFO L134 CoverageAnalysis]: Checked inductivity of 199032 backedges. 16211 proven. 7292 refuted. 0 times theorem prover too weak. 175529 trivial. 0 not checked. [2018-02-04 03:04:28,914 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:04:28,914 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:04:28,914 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=418, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:04:28,914 INFO L87 Difference]: Start difference. First operand 465 states and 720 transitions. Second operand 25 states. [2018-02-04 03:04:29,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:04:29,245 INFO L93 Difference]: Finished difference Result 1102 states and 2329 transitions. [2018-02-04 03:04:29,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-02-04 03:04:29,245 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 1795 [2018-02-04 03:04:29,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:04:29,251 INFO L225 Difference]: With dead ends: 1102 [2018-02-04 03:04:29,251 INFO L226 Difference]: Without dead ends: 1102 [2018-02-04 03:04:29,252 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=486, Invalid=1154, Unknown=0, NotChecked=0, Total=1640 [2018-02-04 03:04:29,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2018-02-04 03:04:29,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 465. [2018-02-04 03:04:29,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-02-04 03:04:29,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 720 transitions. [2018-02-04 03:04:29,266 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 720 transitions. Word has length 1795 [2018-02-04 03:04:29,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:04:29,267 INFO L432 AbstractCegarLoop]: Abstraction has 465 states and 720 transitions. [2018-02-04 03:04:29,267 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:04:29,267 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 720 transitions. [2018-02-04 03:04:29,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1802 [2018-02-04 03:04:29,279 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:04:29,279 INFO L351 BasicCegarLoop]: trace histogram [273, 249, 249, 249, 249, 249, 25, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:04:29,280 INFO L371 AbstractCegarLoop]: === Iteration 117 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:04:29,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1212240075, now seen corresponding path program 108 times [2018-02-04 03:04:29,280 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:04:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:04:29,364 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:04:32,846 INFO L134 CoverageAnalysis]: Checked inductivity of 200568 backedges. 18736 proven. 6185 refuted. 0 times theorem prover too weak. 175647 trivial. 0 not checked. [2018-02-04 03:04:32,847 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:04:32,847 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:04:32,847 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:04:32,847 INFO L134 CoverageAnalysis]: Checked inductivity of 12921 backedges. 1109 proven. 294 refuted. 0 times theorem prover too weak. 11518 trivial. 0 not checked. [2018-02-04 03:04:32,848 INFO L182 omatonBuilderFactory]: Interpolants [102081#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 102080#false, 102083#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 102082#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 102085#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 102084#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 102087#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 102086#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 102089#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 102088#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 102091#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 102090#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 102093#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 102092#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 102095#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 14)), 102094#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 102097#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 16)), 102096#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 15)), 102099#(<= main_~i~1 15), 102098#(<= |foo_#in~size| 15), 102101#(<= main_~i~1 17), 102100#(<= main_~i~1 16), 102103#(<= main_~i~1 19), 102102#(<= main_~i~1 18), 102079#true] [2018-02-04 03:04:32,850 INFO L134 CoverageAnalysis]: Checked inductivity of 200568 backedges. 18736 proven. 6185 refuted. 0 times theorem prover too weak. 175647 trivial. 0 not checked. [2018-02-04 03:04:32,850 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:04:32,850 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:04:32,850 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=407, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:04:32,850 INFO L87 Difference]: Start difference. First operand 465 states and 720 transitions. Second operand 25 states. [2018-02-04 03:04:33,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:04:33,167 INFO L93 Difference]: Finished difference Result 1009 states and 2092 transitions. [2018-02-04 03:04:33,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-04 03:04:33,167 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 1801 [2018-02-04 03:04:33,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:04:33,172 INFO L225 Difference]: With dead ends: 1009 [2018-02-04 03:04:33,172 INFO L226 Difference]: Without dead ends: 1009 [2018-02-04 03:04:33,172 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=533, Invalid=1189, Unknown=0, NotChecked=0, Total=1722 [2018-02-04 03:04:33,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2018-02-04 03:04:33,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 465. [2018-02-04 03:04:33,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-02-04 03:04:33,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 720 transitions. [2018-02-04 03:04:33,185 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 720 transitions. Word has length 1801 [2018-02-04 03:04:33,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:04:33,185 INFO L432 AbstractCegarLoop]: Abstraction has 465 states and 720 transitions. [2018-02-04 03:04:33,185 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:04:33,185 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 720 transitions. [2018-02-04 03:04:33,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1808 [2018-02-04 03:04:33,197 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:04:33,198 INFO L351 BasicCegarLoop]: trace histogram [274, 250, 250, 250, 250, 250, 25, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:04:33,198 INFO L371 AbstractCegarLoop]: === Iteration 118 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:04:33,198 INFO L82 PathProgramCache]: Analyzing trace with hash -854747779, now seen corresponding path program 109 times [2018-02-04 03:04:33,198 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:04:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:04:33,265 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:04:36,738 INFO L134 CoverageAnalysis]: Checked inductivity of 202110 backedges. 21549 proven. 4790 refuted. 0 times theorem prover too weak. 175771 trivial. 0 not checked. [2018-02-04 03:04:36,739 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:04:36,739 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:04:36,739 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:04:36,739 INFO L134 CoverageAnalysis]: Checked inductivity of 12939 backedges. 1213 proven. 208 refuted. 0 times theorem prover too weak. 11518 trivial. 0 not checked. [2018-02-04 03:04:36,740 INFO L182 omatonBuilderFactory]: Interpolants [103617#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 103616#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 103619#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 103618#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 103621#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 103620#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 103623#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 103622#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 103625#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 103624#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 103627#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 103626#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 103629#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 15)), 103628#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 14)), 103631#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 17)), 103630#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 16)), 103633#(<= main_~i~1 16), 103632#(<= |foo_#in~size| 16), 103635#(<= main_~i~1 18), 103634#(<= main_~i~1 17), 103636#(<= main_~i~1 19), 103613#false, 103612#true, 103615#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 103614#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size))] [2018-02-04 03:04:36,742 INFO L134 CoverageAnalysis]: Checked inductivity of 202110 backedges. 21549 proven. 4790 refuted. 0 times theorem prover too weak. 175771 trivial. 0 not checked. [2018-02-04 03:04:36,742 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:04:36,742 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:04:36,742 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=394, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:04:36,742 INFO L87 Difference]: Start difference. First operand 465 states and 720 transitions. Second operand 25 states. [2018-02-04 03:04:37,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:04:37,070 INFO L93 Difference]: Finished difference Result 904 states and 1820 transitions. [2018-02-04 03:04:37,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 03:04:37,070 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 1807 [2018-02-04 03:04:37,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:04:37,074 INFO L225 Difference]: With dead ends: 904 [2018-02-04 03:04:37,074 INFO L226 Difference]: Without dead ends: 904 [2018-02-04 03:04:37,075 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=584, Invalid=1222, Unknown=0, NotChecked=0, Total=1806 [2018-02-04 03:04:37,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2018-02-04 03:04:37,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 465. [2018-02-04 03:04:37,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-02-04 03:04:37,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 720 transitions. [2018-02-04 03:04:37,085 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 720 transitions. Word has length 1807 [2018-02-04 03:04:37,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:04:37,086 INFO L432 AbstractCegarLoop]: Abstraction has 465 states and 720 transitions. [2018-02-04 03:04:37,086 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:04:37,086 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 720 transitions. [2018-02-04 03:04:37,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1814 [2018-02-04 03:04:37,098 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:04:37,098 INFO L351 BasicCegarLoop]: trace histogram [275, 251, 251, 251, 251, 251, 25, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:04:37,098 INFO L371 AbstractCegarLoop]: === Iteration 119 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:04:37,098 INFO L82 PathProgramCache]: Analyzing trace with hash -2051310331, now seen corresponding path program 110 times [2018-02-04 03:04:37,099 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:04:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:04:37,163 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:04:40,673 INFO L134 CoverageAnalysis]: Checked inductivity of 203658 backedges. 24668 proven. 3089 refuted. 0 times theorem prover too weak. 175901 trivial. 0 not checked. [2018-02-04 03:04:40,674 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:04:40,674 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:04:40,674 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:04:40,674 INFO L134 CoverageAnalysis]: Checked inductivity of 12951 backedges. 1323 proven. 110 refuted. 0 times theorem prover too weak. 11518 trivial. 0 not checked. [2018-02-04 03:04:40,675 INFO L182 omatonBuilderFactory]: Interpolants [105043#false, 105042#true, 105045#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 105044#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 105047#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3)), 105046#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 105049#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 105048#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 105051#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 105050#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 105053#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 105052#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 105055#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 105054#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 105057#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 105056#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 105059#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 15)), 105058#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 14)), 105061#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 17)), 105060#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 16)), 105063#(<= |foo_#in~size| 17), 105062#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 18)), 105065#(<= main_~i~1 18), 105064#(<= main_~i~1 17), 105066#(<= main_~i~1 19)] [2018-02-04 03:04:40,677 INFO L134 CoverageAnalysis]: Checked inductivity of 203658 backedges. 24668 proven. 3089 refuted. 0 times theorem prover too weak. 175901 trivial. 0 not checked. [2018-02-04 03:04:40,677 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:04:40,677 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:04:40,677 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=379, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:04:40,677 INFO L87 Difference]: Start difference. First operand 465 states and 720 transitions. Second operand 25 states. [2018-02-04 03:04:40,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:04:40,966 INFO L93 Difference]: Finished difference Result 791 states and 1516 transitions. [2018-02-04 03:04:40,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 03:04:40,966 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 1813 [2018-02-04 03:04:40,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:04:40,970 INFO L225 Difference]: With dead ends: 791 [2018-02-04 03:04:40,970 INFO L226 Difference]: Without dead ends: 791 [2018-02-04 03:04:40,970 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=639, Invalid=1253, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 03:04:40,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2018-02-04 03:04:40,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 465. [2018-02-04 03:04:40,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2018-02-04 03:04:40,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 720 transitions. [2018-02-04 03:04:40,979 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 720 transitions. Word has length 1813 [2018-02-04 03:04:40,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:04:40,979 INFO L432 AbstractCegarLoop]: Abstraction has 465 states and 720 transitions. [2018-02-04 03:04:40,979 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:04:40,980 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 720 transitions. [2018-02-04 03:04:40,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1820 [2018-02-04 03:04:40,992 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:04:40,992 INFO L351 BasicCegarLoop]: trace histogram [276, 252, 252, 252, 252, 252, 25, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:04:40,992 INFO L371 AbstractCegarLoop]: === Iteration 120 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:04:40,992 INFO L82 PathProgramCache]: Analyzing trace with hash -778254899, now seen corresponding path program 111 times [2018-02-04 03:04:40,993 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:04:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:04:41,060 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:04:44,598 INFO L134 CoverageAnalysis]: Checked inductivity of 205212 backedges. 28111 proven. 1064 refuted. 0 times theorem prover too weak. 176037 trivial. 0 not checked. [2018-02-04 03:04:44,598 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:04:44,598 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:04:44,598 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:04:44,599 INFO L134 CoverageAnalysis]: Checked inductivity of 12957 backedges. 1439 proven. 0 refuted. 0 times theorem prover too weak. 11518 trivial. 0 not checked. [2018-02-04 03:04:44,599 INFO L182 omatonBuilderFactory]: Interpolants [106369#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 6)), 106368#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 5)), 106371#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 8)), 106370#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 7)), 106373#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 10)), 106372#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 9)), 106375#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 12)), 106374#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 11)), 106377#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 14)), 106376#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 13)), 106379#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 16)), 106378#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 15)), 106381#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 18)), 106380#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 17)), 106383#(<= |foo_#in~size| 18), 106382#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 19)), 106385#(<= main_~i~1 19), 106384#(<= main_~i~1 18), 106361#true, 106363#(and (= foo_~i~0 0) (<= |foo_#in~size| foo_~size)), 106362#false, 106365#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 2)), 106364#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 1)), 106367#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 4)), 106366#(<= (+ foo_~i~0 |foo_#in~size|) (+ foo_~size 3))] [2018-02-04 03:04:44,601 INFO L134 CoverageAnalysis]: Checked inductivity of 205212 backedges. 28111 proven. 1064 refuted. 0 times theorem prover too weak. 176037 trivial. 0 not checked. [2018-02-04 03:04:44,601 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:04:44,601 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:04:44,601 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=362, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:04:44,602 INFO L87 Difference]: Start difference. First operand 465 states and 720 transitions. Second operand 25 states. [2018-02-04 03:04:44,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:04:44,880 INFO L93 Difference]: Finished difference Result 671 states and 1225 transitions. [2018-02-04 03:04:44,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-02-04 03:04:44,880 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 1819 [2018-02-04 03:04:44,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:04:44,883 INFO L225 Difference]: With dead ends: 671 [2018-02-04 03:04:44,883 INFO L226 Difference]: Without dead ends: 671 [2018-02-04 03:04:44,883 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=698, Invalid=1282, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 03:04:44,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2018-02-04 03:04:44,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 474. [2018-02-04 03:04:44,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2018-02-04 03:04:44,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 752 transitions. [2018-02-04 03:04:44,891 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 752 transitions. Word has length 1819 [2018-02-04 03:04:44,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:04:44,892 INFO L432 AbstractCegarLoop]: Abstraction has 474 states and 752 transitions. [2018-02-04 03:04:44,892 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:04:44,892 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 752 transitions. [2018-02-04 03:04:44,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1826 [2018-02-04 03:04:44,904 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:04:44,904 INFO L351 BasicCegarLoop]: trace histogram [277, 253, 253, 253, 253, 253, 25, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:04:44,905 INFO L371 AbstractCegarLoop]: === Iteration 121 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:04:44,905 INFO L82 PathProgramCache]: Analyzing trace with hash -886292523, now seen corresponding path program 112 times [2018-02-04 03:04:44,905 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:04:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:04:45,023 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:04:48,664 INFO L134 CoverageAnalysis]: Checked inductivity of 206772 backedges. 0 proven. 1704 refuted. 0 times theorem prover too weak. 205068 trivial. 0 not checked. [2018-02-04 03:04:48,664 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:04:48,665 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:04:48,665 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:04:48,665 INFO L134 CoverageAnalysis]: Checked inductivity of 12954 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12954 trivial. 0 not checked. [2018-02-04 03:04:48,665 INFO L182 omatonBuilderFactory]: Interpolants [107585#(<= main_~i~1 12), 107584#(<= main_~i~1 11), 107587#(<= main_~i~1 14), 107586#(<= main_~i~1 13), 107589#(<= main_~i~1 16), 107588#(<= main_~i~1 15), 107591#(<= main_~i~1 18), 107590#(<= main_~i~1 17), 107593#(<= main_~i~1 20), 107592#(<= main_~i~1 19), 107595#(<= main_~i~1 22), 107594#(<= main_~i~1 21), 107597#(<= main_~i~1 24), 107596#(<= main_~i~1 23), 107571#true, 107573#(= main_~i~1 0), 107572#false, 107575#(<= main_~i~1 2), 107574#(<= main_~i~1 1), 107577#(<= main_~i~1 4), 107576#(<= main_~i~1 3), 107579#(<= main_~i~1 6), 107578#(<= main_~i~1 5), 107581#(<= main_~i~1 8), 107580#(<= main_~i~1 7), 107583#(<= main_~i~1 10), 107582#(<= main_~i~1 9)] [2018-02-04 03:04:48,667 INFO L134 CoverageAnalysis]: Checked inductivity of 206772 backedges. 0 proven. 1704 refuted. 0 times theorem prover too weak. 205068 trivial. 0 not checked. [2018-02-04 03:04:48,667 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:04:48,667 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:04:48,667 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:04:48,668 INFO L87 Difference]: Start difference. First operand 474 states and 752 transitions. Second operand 27 states. [2018-02-04 03:04:48,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:04:48,837 INFO L93 Difference]: Finished difference Result 893 states and 1544 transitions. [2018-02-04 03:04:48,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:04:48,837 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 1825 [2018-02-04 03:04:48,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:04:48,841 INFO L225 Difference]: With dead ends: 893 [2018-02-04 03:04:48,841 INFO L226 Difference]: Without dead ends: 893 [2018-02-04 03:04:48,841 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:04:48,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2018-02-04 03:04:48,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 485. [2018-02-04 03:04:48,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2018-02-04 03:04:48,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 773 transitions. [2018-02-04 03:04:48,850 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 773 transitions. Word has length 1825 [2018-02-04 03:04:48,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:04:48,851 INFO L432 AbstractCegarLoop]: Abstraction has 485 states and 773 transitions. [2018-02-04 03:04:48,851 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:04:48,851 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 773 transitions. [2018-02-04 03:04:48,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1904 [2018-02-04 03:04:48,865 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:04:48,865 INFO L351 BasicCegarLoop]: trace histogram [289, 264, 264, 264, 264, 264, 26, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:04:48,865 INFO L371 AbstractCegarLoop]: === Iteration 122 === [fooErr1RequiresViolation, fooErr0AssertViolation, fooErr2RequiresViolation, mainErr0AssertViolation, mainErr2EnsuresViolation, mainErr1AssertViolation]=== [2018-02-04 03:04:48,865 INFO L82 PathProgramCache]: Analyzing trace with hash 599976110, now seen corresponding path program 113 times [2018-02-04 03:04:48,866 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:04:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:04:48,938 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. Received shutdown request... [2018-02-04 03:04:51,819 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,819 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,819 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,820 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,820 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,820 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,820 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,820 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,820 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,820 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,820 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,821 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,821 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,821 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,821 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,821 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,821 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,821 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,821 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,821 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,821 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,822 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,822 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,822 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,822 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,822 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,822 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,822 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,822 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,822 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,823 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,823 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,823 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,823 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,823 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,823 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,823 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,823 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,823 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,823 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,824 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,824 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,824 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,824 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,824 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,824 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,824 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,824 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,824 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,824 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,824 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,825 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,825 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,825 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,825 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,825 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,825 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,825 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,825 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,826 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,826 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,826 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,826 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,826 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,826 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,826 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,826 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,826 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,826 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,827 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,827 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,827 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,827 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,827 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,827 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,827 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,827 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,827 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,827 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,828 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,828 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,828 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,828 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,828 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,828 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,828 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,828 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,828 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,828 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,829 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,829 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,829 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,829 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,829 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,829 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,829 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,829 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,829 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,830 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,830 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,830 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,830 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,830 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,830 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,830 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,830 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,830 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,831 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,831 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,831 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,831 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,831 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,831 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,831 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,831 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,831 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,831 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,831 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,831 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,832 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,832 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,832 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,832 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,832 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,832 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,832 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,832 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,832 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,832 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,833 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,833 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,833 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,833 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,833 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,833 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,833 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,833 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,833 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,833 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,834 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,834 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,834 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,834 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,834 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,834 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,834 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,834 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,834 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,834 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,835 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,835 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,835 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,835 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,835 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,835 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,835 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,835 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,835 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,835 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,835 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,835 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,836 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,836 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,836 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,836 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,836 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,836 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,836 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,836 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,836 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,836 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,836 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,837 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,837 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,837 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,837 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,837 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,837 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,837 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,837 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,837 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,837 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,837 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,838 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,838 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,838 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,838 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,838 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,838 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,838 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,838 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,838 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,838 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,838 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,838 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,839 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,839 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,839 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,839 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,839 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,839 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,839 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,839 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,839 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,839 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,839 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,839 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,840 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,840 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,840 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,840 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,840 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,840 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,840 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,840 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,840 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,840 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,840 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,841 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,841 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,841 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,841 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,841 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,841 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,841 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,841 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,841 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,841 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,841 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,841 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,842 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,842 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,842 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,842 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,842 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,842 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,842 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,842 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,842 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,842 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,842 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,843 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,843 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,843 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,843 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,843 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,843 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,843 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,843 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,843 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,843 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,843 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,844 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,844 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,844 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,844 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,844 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,844 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,844 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,844 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,844 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,844 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,844 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,844 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,845 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,845 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,845 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,845 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,845 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,845 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,845 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,845 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,845 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,845 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,845 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,846 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,846 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,846 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,846 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,846 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,846 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,846 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,846 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,846 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,846 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,846 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,847 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,847 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,847 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,847 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,847 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,847 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,847 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,847 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,847 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,847 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,847 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,847 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,848 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,848 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,848 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,848 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,848 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,848 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,848 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,848 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,848 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,848 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,848 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,848 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,849 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,849 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,849 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,849 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,849 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,849 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,849 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,849 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,849 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,849 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,849 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,849 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,850 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,850 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,850 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,850 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,850 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,850 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,850 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,850 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,850 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,850 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,850 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,851 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,851 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,851 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,851 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,851 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,851 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,851 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,851 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,851 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,851 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,851 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,851 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,852 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,852 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,852 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,852 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,852 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,852 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,852 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,852 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,852 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,852 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,852 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,852 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,853 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,853 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,853 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,853 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,853 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,853 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,853 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,853 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,853 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,853 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,853 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,854 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,854 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,854 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,854 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,854 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,854 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,854 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,854 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,854 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,854 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,854 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,854 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,855 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,855 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,855 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,855 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,855 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,855 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,855 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,855 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,855 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,855 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,855 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,855 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,856 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,856 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,856 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,856 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,856 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,856 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,856 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,856 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,856 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,856 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,856 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,857 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,857 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,857 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,857 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,857 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,857 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,857 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,857 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,857 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,857 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,857 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,857 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,858 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,858 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,858 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,858 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,858 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,858 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,858 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,858 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,858 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,858 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,858 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,859 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,859 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,859 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,859 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,859 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,859 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,859 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,859 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,859 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,859 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,859 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,859 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,860 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,860 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,860 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,860 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,860 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,860 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,860 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,860 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,860 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,860 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,860 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,860 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,861 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,861 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,861 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,861 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,861 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,861 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,861 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,861 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,861 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,861 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,861 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,862 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,862 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,862 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,862 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,862 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,862 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,862 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,862 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,862 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,862 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,862 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,863 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,863 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,863 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,863 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,863 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,863 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,863 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,863 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,863 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,863 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,863 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,863 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,864 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,864 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,864 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,864 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,864 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,864 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,864 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,864 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,864 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,864 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,864 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,865 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,865 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,865 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,865 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,865 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,865 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,865 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,865 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,865 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,865 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,865 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,865 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,866 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,866 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,866 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,866 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,866 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,866 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,866 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,866 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,866 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,866 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,866 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,867 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,867 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,867 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,867 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,867 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,867 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,867 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,867 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,867 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,867 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,867 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,868 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,868 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,868 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,868 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,868 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,868 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,868 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,868 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,868 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,868 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,868 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,869 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,869 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,869 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,869 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,869 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,869 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,869 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,869 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,869 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,869 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,869 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,870 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,870 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,870 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,870 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,870 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,870 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,870 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,870 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,870 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,870 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,870 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,870 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,871 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,871 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,871 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,871 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,871 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,871 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,871 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,871 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,871 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,871 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,871 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,872 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,872 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,872 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,872 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,872 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,872 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,872 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,872 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,872 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,872 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,872 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,873 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,873 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,873 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,873 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,873 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,873 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,873 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,873 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,873 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,873 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,873 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,873 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,874 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,874 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,874 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,874 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,874 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,874 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,874 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,874 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,874 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,874 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,874 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,875 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,875 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,875 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,875 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,875 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,875 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,875 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,875 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,875 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,875 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,875 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,876 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,876 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,876 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,876 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,876 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,876 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,876 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,876 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,876 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,876 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,876 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,876 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,877 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,877 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,877 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,877 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,877 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,877 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,877 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,877 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,877 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,877 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,877 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,877 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,878 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,878 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,878 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,878 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,878 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,878 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,878 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,878 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,878 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,878 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,878 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,879 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,879 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,879 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,879 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,879 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,879 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,879 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,879 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,879 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,879 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,879 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,879 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,880 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,880 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,880 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,880 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,880 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,880 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,880 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,880 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,880 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,880 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,880 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,880 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,881 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,881 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,881 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,881 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,881 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,881 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,881 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,881 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,881 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,881 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,881 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,882 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,882 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,882 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,882 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,882 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,882 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,882 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,882 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,882 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,882 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,882 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,883 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,883 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,883 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,883 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,883 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,883 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,883 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,883 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,883 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,883 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,883 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,884 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,884 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,884 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,884 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,884 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,884 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,884 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,884 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,884 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,884 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,884 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,884 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,885 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,885 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,885 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,885 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,885 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,885 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,885 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,885 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,885 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,885 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,885 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,886 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,886 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,886 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,886 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,886 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,886 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,886 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,886 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,886 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,886 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,886 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,886 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,887 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,887 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,887 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,887 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,887 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,887 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,887 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,887 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,887 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,887 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,887 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,887 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,888 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,888 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,888 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,888 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,888 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,888 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,888 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,888 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,888 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,888 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,888 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,889 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,889 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,889 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,889 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,889 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,889 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,889 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,889 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,889 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,889 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,889 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,890 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,890 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,890 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,890 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,890 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,890 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,890 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,890 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,890 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,890 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,890 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,891 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,891 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,891 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,891 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,891 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,891 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,891 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,891 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,891 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,891 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,891 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,891 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,892 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,892 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,892 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,892 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,892 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,892 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,892 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,892 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,892 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,892 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,892 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,893 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,893 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,893 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,893 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,893 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,893 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,893 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,893 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,893 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,893 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,893 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,893 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,894 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,894 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,894 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,894 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,894 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,894 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,894 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,894 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,894 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,894 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,894 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,894 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,895 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,895 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,895 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,895 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,895 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,895 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,895 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,895 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,895 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,895 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,895 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,895 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,896 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,896 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,896 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,896 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,896 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,896 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,896 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,896 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,896 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,896 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,896 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,897 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,897 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,897 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,897 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,897 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,897 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,897 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,897 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,897 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,897 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,897 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,898 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,898 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,898 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,898 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,898 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,898 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,898 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,898 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,898 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,898 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,898 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,898 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,899 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,899 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,899 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,899 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,899 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,899 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,899 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,899 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,899 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,899 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,900 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,900 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,900 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,900 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,900 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,900 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,900 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,900 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,900 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,900 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,900 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,900 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,901 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,901 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,901 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,901 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,901 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,901 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,901 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,901 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,901 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,901 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,901 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,902 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,902 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,902 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,902 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,902 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,902 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,902 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,902 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,902 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,902 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,902 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,902 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,903 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,903 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,903 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,903 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,903 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,903 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,903 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,903 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,903 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,903 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,904 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,904 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,904 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,904 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,904 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,904 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,904 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,904 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,904 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,904 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,905 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,905 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,905 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,905 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,905 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,905 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,905 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,905 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,905 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,905 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,906 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,906 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,906 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,906 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,906 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,906 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,906 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,906 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,906 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,906 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,907 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,907 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,907 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,907 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,907 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,907 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,907 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,907 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,907 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,908 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,908 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,908 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,908 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,908 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,908 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,908 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,908 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,908 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,908 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,909 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,909 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,909 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,909 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,909 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,909 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,909 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,909 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,909 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,909 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,910 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,910 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,910 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,910 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,910 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,910 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,910 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,910 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,910 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,910 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,910 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,910 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,911 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,911 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,911 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,911 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,911 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,911 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,911 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,911 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,911 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,911 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,912 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,912 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,912 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,912 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,912 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,912 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,912 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,912 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,912 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,912 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,913 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,913 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,913 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,913 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,913 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,913 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,913 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,913 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,913 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,913 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,913 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,913 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,914 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,914 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,914 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,914 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,914 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,914 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,914 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,914 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,914 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,914 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,914 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,915 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,915 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,915 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,915 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,915 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,915 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,915 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,915 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,915 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,915 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,915 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,916 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,916 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,916 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,916 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,916 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,916 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,916 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,916 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,916 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,916 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,916 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,916 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,917 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,917 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,917 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,917 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,917 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,917 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,917 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,917 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,917 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,917 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,917 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,917 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,918 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,918 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,918 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,918 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,918 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,918 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,918 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,918 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,918 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,918 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,918 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,919 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,919 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,919 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,919 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,919 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,919 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,919 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,919 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,919 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,919 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,919 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,920 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,920 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,920 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,920 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,920 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,920 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,920 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,920 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,920 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,920 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,920 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,920 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,921 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,921 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,921 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,921 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,921 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,921 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,921 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,921 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,921 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,921 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,921 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,921 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,922 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,922 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,922 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,922 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,922 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,922 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,922 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,922 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,922 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,922 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,922 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,923 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,923 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,923 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,923 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,923 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,923 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,923 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,923 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,923 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,923 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,923 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,923 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,924 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,924 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,924 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,924 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,924 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,924 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,924 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,924 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,924 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,924 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,924 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,925 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,925 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,925 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,925 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,925 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,925 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,925 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,925 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,925 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,925 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,925 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,925 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,926 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,926 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,926 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,926 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,926 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,926 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,926 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,926 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,926 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,926 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,926 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,927 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,927 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,927 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,927 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,927 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,927 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,927 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,927 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,927 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,927 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,927 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,928 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,928 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,928 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,928 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,928 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,928 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,928 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,928 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,928 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,928 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,928 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,928 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,929 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,929 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,929 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,929 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,929 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,929 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,929 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,929 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,929 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,929 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,929 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,929 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,930 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,930 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,930 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,930 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,930 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,930 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,930 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,930 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,930 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,930 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,930 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,931 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,931 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,931 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,931 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,931 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,931 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,931 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,931 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,931 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,931 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,931 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,931 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,932 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,932 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,932 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,932 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,932 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,932 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,932 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,932 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,932 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,932 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,932 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,932 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,933 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,933 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,933 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,933 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,933 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,933 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,933 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,933 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,933 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,933 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,933 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,934 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,934 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,934 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,934 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,934 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,934 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,934 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,934 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,934 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,934 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,934 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,934 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,935 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,935 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,935 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,935 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,935 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,935 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,935 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,935 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,935 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,935 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,935 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,936 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,936 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,936 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,936 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,936 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,936 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,936 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,936 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,936 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,936 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,936 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,936 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,937 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,937 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,937 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,937 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,937 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,937 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,937 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,937 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,937 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,937 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,937 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,937 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,938 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,938 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,938 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,938 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,938 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,938 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,938 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,938 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,938 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,938 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,938 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,939 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,939 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,939 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,939 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,939 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,939 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,939 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,939 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,939 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,939 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,939 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,939 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,940 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,940 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,940 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,940 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,940 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,940 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,940 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,940 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,940 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,940 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,940 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,940 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,941 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,941 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,941 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,941 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,941 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,941 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,941 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,941 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,941 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,941 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,941 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,942 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,942 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,942 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,942 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,942 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,942 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,942 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,942 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,942 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,942 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,942 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,943 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,943 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,943 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,943 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,943 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,943 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,943 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,943 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,943 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,943 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,943 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,943 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,944 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,944 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,944 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,944 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,944 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,944 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,944 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,944 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,944 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,944 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,944 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,945 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,945 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,945 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,945 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,945 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,945 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,945 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,945 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,945 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,945 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,945 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,945 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,946 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,946 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,946 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,946 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,946 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,946 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,946 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,946 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,946 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,946 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,946 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,947 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,947 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,947 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,947 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,947 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,947 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,947 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,947 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,947 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,947 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,947 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,947 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,948 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,948 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,948 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,948 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,948 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,948 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,948 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,948 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,948 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,948 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,948 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,948 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,949 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,949 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,949 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,949 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,949 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,949 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,949 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,949 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,949 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,949 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,949 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,950 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,950 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,950 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,950 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,950 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,950 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,950 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,950 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,950 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,950 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,950 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,950 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,951 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,951 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,951 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,951 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,951 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,951 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,951 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,951 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,951 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,951 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,951 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,951 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,952 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,952 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,952 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,952 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,952 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,952 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,952 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,952 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,952 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,952 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,952 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,953 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,953 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,953 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,953 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,953 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,953 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,953 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,953 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,953 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,953 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,953 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,953 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,954 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,954 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,954 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,954 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,954 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,954 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,954 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,954 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,954 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,954 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,954 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,955 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,955 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,955 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,955 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,955 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,955 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,955 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,956 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,956 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,956 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,956 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,956 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,956 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,956 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,957 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,957 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,957 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,957 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,957 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,957 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,957 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,958 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,958 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,958 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,958 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,958 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,958 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,958 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,959 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,959 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,959 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,959 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,959 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,959 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,959 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,959 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,960 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,960 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,960 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,960 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,960 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,960 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,960 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,961 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,961 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,961 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,961 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,961 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,961 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,961 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,962 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,962 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,962 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,962 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,962 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,962 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,962 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,963 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,963 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,963 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,963 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,963 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,963 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,963 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,964 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,964 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,964 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,964 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,964 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,964 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,964 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,965 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,965 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,965 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,965 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,965 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,965 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,965 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,966 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,966 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,966 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,966 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,966 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,966 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,966 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,967 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,967 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,967 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,967 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,967 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,967 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,967 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,968 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,968 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,968 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,968 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,968 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,968 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,968 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,969 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,969 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,969 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,969 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,969 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,969 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,970 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,970 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,970 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,970 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,970 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,970 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,970 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,970 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,971 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,971 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,971 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,971 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,971 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,971 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,971 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,972 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,972 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,972 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,972 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,972 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,972 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,972 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,973 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,973 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,973 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,973 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,973 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,973 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,973 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,974 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,974 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,974 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,974 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,974 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,974 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,974 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,975 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,975 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,975 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,975 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,975 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,975 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,975 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,975 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,976 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,976 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,976 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,976 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,976 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,976 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,976 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,977 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,977 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,977 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,977 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,977 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,977 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,977 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,978 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,978 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,978 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,978 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,978 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,978 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,978 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,979 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,979 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,979 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,979 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,979 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,979 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,979 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,980 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,980 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,980 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,980 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,980 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,980 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,980 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,981 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,981 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,981 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,981 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,981 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,981 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,981 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,982 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,982 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,982 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,982 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,982 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,982 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,982 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,983 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,983 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,983 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,983 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,983 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,983 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,983 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,984 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,984 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,984 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,984 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,984 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,984 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,984 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,985 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,985 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,985 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,985 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,985 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,985 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,985 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,986 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,986 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,986 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,986 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,986 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,986 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,986 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,986 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,987 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,987 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,987 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,987 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,987 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,987 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,987 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,988 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,988 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,988 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,988 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,988 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,988 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,988 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,988 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,989 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,989 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,989 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,989 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,989 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,989 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,989 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,990 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,990 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,990 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,990 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,990 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,990 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,990 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,991 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,991 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,991 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,991 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,991 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,991 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,991 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,991 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,992 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,992 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,992 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,992 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,992 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,992 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,992 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,993 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,993 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,993 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,993 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,993 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,993 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,993 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,994 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,994 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,994 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,994 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,994 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,994 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,994 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,995 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,995 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,995 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,995 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,995 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,995 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,995 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,996 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,996 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,996 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,996 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,996 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,996 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,996 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,996 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,997 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,997 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,997 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,997 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,997 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,997 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,998 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,998 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,998 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,998 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,998 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,998 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,998 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,999 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,999 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,999 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,999 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,999 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,999 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:51,999 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,000 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,000 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,000 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,000 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,000 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,000 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,000 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,000 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,001 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,001 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,001 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,001 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,001 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,001 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,001 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,002 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,002 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,002 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,002 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,002 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,002 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,002 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,003 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,003 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,003 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,003 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,003 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,003 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,003 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,004 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,004 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,004 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,004 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,004 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,004 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,005 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,005 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,005 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,005 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,005 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,005 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,005 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,006 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,006 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,006 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,006 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,006 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,006 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,006 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,006 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,007 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,007 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,007 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,007 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,007 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,007 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,007 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,008 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,008 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,008 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,008 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,008 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,008 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,008 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,009 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,009 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,009 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,009 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-02-04 03:04:52,027 WARN L491 AbstractCegarLoop]: Verification canceled [2018-02-04 03:04:52,031 WARN L185 ceAbstractionStarter]: Timeout [2018-02-04 03:04:52,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.02 03:04:52 BoogieIcfgContainer [2018-02-04 03:04:52,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-04 03:04:52,032 INFO L168 Benchmark]: Toolchain (without parser) took 183602.75 ms. Allocated memory was 398.5 MB in the beginning and 2.4 GB in the end (delta: 2.0 GB). Free memory was 356.7 MB in the beginning and 368.3 MB in the end (delta: -11.6 MB). Peak memory consumption was 2.2 GB. Max. memory is 5.3 GB. [2018-02-04 03:04:52,033 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 398.5 MB. Free memory is still 361.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 03:04:52,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 128.39 ms. Allocated memory is still 398.5 MB. Free memory was 356.7 MB in the beginning and 348.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 5.3 GB. [2018-02-04 03:04:52,033 INFO L168 Benchmark]: Boogie Preprocessor took 25.66 ms. Allocated memory is still 398.5 MB. Free memory was 348.7 MB in the beginning and 346.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 03:04:52,033 INFO L168 Benchmark]: RCFGBuilder took 150.97 ms. Allocated memory is still 398.5 MB. Free memory was 346.1 MB in the beginning and 329.2 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 5.3 GB. [2018-02-04 03:04:52,034 INFO L168 Benchmark]: TraceAbstraction took 183294.85 ms. Allocated memory was 398.5 MB in the beginning and 2.4 GB in the end (delta: 2.0 GB). Free memory was 329.2 MB in the beginning and 368.3 MB in the end (delta: -39.0 MB). Peak memory consumption was 2.2 GB. Max. memory is 5.3 GB. [2018-02-04 03:04:52,035 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 398.5 MB. Free memory is still 361.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 128.39 ms. Allocated memory is still 398.5 MB. Free memory was 356.7 MB in the beginning and 348.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 25.66 ms. Allocated memory is still 398.5 MB. Free memory was 348.7 MB in the beginning and 346.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 150.97 ms. Allocated memory is still 398.5 MB. Free memory was 346.1 MB in the beginning and 329.2 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 183294.85 ms. Allocated memory was 398.5 MB in the beginning and 2.4 GB in the end (delta: 2.0 GB). Free memory was 329.2 MB in the beginning and 368.3 MB in the end (delta: -39.0 MB). Peak memory consumption was 2.2 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 18). Cancelled while BasicCegarLoop was analyzing trace of length 1904 with TraceHistMax 289, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while NestedInterpolantsBuilder was constructing predicates for 1902 interpolants. - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that array index is always in bounds (line 18). Cancelled while BasicCegarLoop was analyzing trace of length 1904 with TraceHistMax 289, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while NestedInterpolantsBuilder was constructing predicates for 1902 interpolants. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 18). Cancelled while BasicCegarLoop was analyzing trace of length 1904 with TraceHistMax 289, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while NestedInterpolantsBuilder was constructing predicates for 1902 interpolants. - TimeoutResultAtElement [Line: 27]: Timeout (TraceAbstraction) Unable to prove that array index is always in bounds (line 27). Cancelled while BasicCegarLoop was analyzing trace of length 1904 with TraceHistMax 289, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while NestedInterpolantsBuilder was constructing predicates for 1902 interpolants. - TimeoutResultAtElement [Line: 23]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 23). Cancelled while BasicCegarLoop was analyzing trace of length 1904 with TraceHistMax 289, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while NestedInterpolantsBuilder was constructing predicates for 1902 interpolants. - TimeoutResultAtElement [Line: 30]: Timeout (TraceAbstraction) Unable to prove that array index is always in bounds (line 30). Cancelled while BasicCegarLoop was analyzing trace of length 1904 with TraceHistMax 289, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while NestedInterpolantsBuilder was constructing predicates for 1902 interpolants. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 46 locations, 6 error locations. TIMEOUT Result, 183.2s OverallTime, 122 OverallIterations, 289 TraceHistogramMax, 24.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3826 SDtfs, 19457 SDslu, 32751 SDs, 0 SdLazy, 38185 SolverSat, 5072 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3040 GetRequests, 236 SyntacticMatches, 1 SemanticMatches, 2803 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11130 ImplicationChecksByTransitivity, 15.1s Time, 0.1s BasicInterpolantAutomatonTime, BiggestAbstraction: size=485occurred in iteration=121, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 8016895/8277417 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, 121 MinimizatonAttempts, 30962 StatesRemovedByMinimization, 120 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 114.9s InterpolantComputationTime, 110639 NumberOfCodeBlocks, 110639 NumberOfCodeBlocksAsserted, 121 NumberOfCheckSat, 110518 ConstructedInterpolants, 0 QuantifiedInterpolants, 191039441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 121 InterpolantComputations, 7 PerfectInterpolantSequences, 8016895/8277417 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_03-04-52-042.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysWithLenghtAtDeclaration_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-04_03-04-52-042.csv Completed graceful shutdown