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/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength5_true-valid-memsafety.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-20 22:16:14,896 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-20 22:16:14,898 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-20 22:16:14,913 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-20 22:16:14,913 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-20 22:16:14,914 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-20 22:16:14,915 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-20 22:16:14,917 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-20 22:16:14,919 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-20 22:16:14,920 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-20 22:16:14,921 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-20 22:16:14,921 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-20 22:16:14,922 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-20 22:16:14,923 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-20 22:16:14,924 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-20 22:16:14,927 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-20 22:16:14,929 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-20 22:16:14,931 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-20 22:16:14,932 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-20 22:16:14,934 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-20 22:16:14,936 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-20 22:16:14,936 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-20 22:16:14,937 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-20 22:16:14,938 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-20 22:16:14,939 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-20 22:16:14,940 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-20 22:16:14,940 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-20 22:16:14,941 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-20 22:16:14,941 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-20 22:16:14,942 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-20 22:16:14,942 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-20 22:16:14,942 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf [2018-01-20 22:16:14,950 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-20 22:16:14,951 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-20 22:16:14,951 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-20 22:16:14,952 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-20 22:16:14,952 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-20 22:16:14,952 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-20 22:16:14,952 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-20 22:16:14,952 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-20 22:16:14,953 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-20 22:16:14,953 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-20 22:16:14,953 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-20 22:16:14,953 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-20 22:16:14,953 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-20 22:16:14,953 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-20 22:16:14,953 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-20 22:16:14,953 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-20 22:16:14,954 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-20 22:16:14,954 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-20 22:16:14,954 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-20 22:16:14,954 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-20 22:16:14,954 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-20 22:16:14,954 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-20 22:16:14,954 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-20 22:16:14,955 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-20 22:16:14,955 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-20 22:16:14,955 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-20 22:16:14,955 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-20 22:16:14,955 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-20 22:16:14,955 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-20 22:16:14,956 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-20 22:16:14,956 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-20 22:16:14,956 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-20 22:16:14,956 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-20 22:16:14,956 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-20 22:16:14,956 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-20 22:16:14,957 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-20 22:16:14,957 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-20 22:16:14,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-20 22:16:15,000 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-20 22:16:15,003 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-20 22:16:15,004 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-20 22:16:15,005 INFO L276 PluginConnector]: CDTParser initialized [2018-01-20 22:16:15,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength5_true-valid-memsafety.c [2018-01-20 22:16:15,138 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-20 22:16:15,143 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-20 22:16:15,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-20 22:16:15,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-20 22:16:15,148 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-20 22:16:15,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 10:16:15" (1/1) ... [2018-01-20 22:16:15,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64aec2c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:16:15, skipping insertion in model container [2018-01-20 22:16:15,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 10:16:15" (1/1) ... [2018-01-20 22:16:15,165 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 22:16:15,179 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 22:16:15,290 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 22:16:15,307 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 22:16:15,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:16:15 WrapperNode [2018-01-20 22:16:15,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-20 22:16:15,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-20 22:16:15,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-20 22:16:15,313 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-20 22:16:15,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:16:15" (1/1) ... [2018-01-20 22:16:15,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:16:15" (1/1) ... [2018-01-20 22:16:15,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:16:15" (1/1) ... [2018-01-20 22:16:15,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:16:15" (1/1) ... [2018-01-20 22:16:15,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:16:15" (1/1) ... [2018-01-20 22:16:15,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:16:15" (1/1) ... [2018-01-20 22:16:15,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:16:15" (1/1) ... [2018-01-20 22:16:15,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-20 22:16:15,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-20 22:16:15,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-20 22:16:15,344 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-20 22:16:15,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:16:15" (1/1) ... No working directory specified, using /storage/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 [2018-01-20 22:16:15,393 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-20 22:16:15,393 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-20 22:16:15,393 INFO L136 BoogieDeclarations]: Found implementation of procedure foo [2018-01-20 22:16:15,394 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-20 22:16:15,394 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-20 22:16:15,394 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-20 22:16:15,394 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-20 22:16:15,394 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-20 22:16:15,394 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-20 22:16:15,395 INFO L128 BoogieDeclarations]: Found specification of procedure foo [2018-01-20 22:16:15,395 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-20 22:16:15,395 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-20 22:16:15,395 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-20 22:16:15,568 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-20 22:16:15,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 10:16:15 BoogieIcfgContainer [2018-01-20 22:16:15,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-20 22:16:15,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-20 22:16:15,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-20 22:16:15,571 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-20 22:16:15,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 10:16:15" (1/3) ... [2018-01-20 22:16:15,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b422080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 10:16:15, skipping insertion in model container [2018-01-20 22:16:15,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:16:15" (2/3) ... [2018-01-20 22:16:15,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b422080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 10:16:15, skipping insertion in model container [2018-01-20 22:16:15,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 10:16:15" (3/3) ... [2018-01-20 22:16:15,574 INFO L105 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength5_true-valid-memsafety.c [2018-01-20 22:16:15,581 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-20 22:16:15,587 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-01-20 22:16:15,636 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:16:15,636 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:16:15,636 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:16:15,637 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:16:15,637 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:16:15,637 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:16:15,637 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:16:15,637 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-20 22:16:15,638 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:16:15,657 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-01-20 22:16:15,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-20 22:16:15,663 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:15,663 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-20 22:16:15,664 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-20 22:16:15,667 INFO L82 PathProgramCache]: Analyzing trace with hash 100907, now seen corresponding path program 1 times [2018-01-20 22:16:15,669 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:15,670 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:15,710 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:15,711 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:16:15,711 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:16:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:16:15,768 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-20 22:16:15,775 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:16:15,781 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:16:15,781 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:16:15,781 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:16:15,781 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:16:15,781 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:16:15,782 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:16:15,782 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:16:15,782 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == fooErr0EnsuresViolation======== [2018-01-20 22:16:15,782 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:16:15,784 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-01-20 22:16:15,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-20 22:16:15,786 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:15,786 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:16:15,786 INFO L371 AbstractCegarLoop]: === Iteration 1 === [fooErr0EnsuresViolation]=== [2018-01-20 22:16:15,786 INFO L82 PathProgramCache]: Analyzing trace with hash 352444009, now seen corresponding path program 1 times [2018-01-20 22:16:15,787 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:15,787 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:15,788 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:15,788 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:16:15,788 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:15,815 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:15,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:16:15,850 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:16:15,850 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:16:15,851 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 22:16:15,862 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 22:16:15,862 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 22:16:15,864 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2018-01-20 22:16:15,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:15,891 INFO L93 Difference]: Finished difference Result 72 states and 86 transitions. [2018-01-20 22:16:15,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 22:16:15,892 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2018-01-20 22:16:15,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:15,901 INFO L225 Difference]: With dead ends: 72 [2018-01-20 22:16:15,901 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:16:15,905 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 22:16:15,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:16:16,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:16:16,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:16:16,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:16:16,009 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-01-20 22:16:16,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:16,009 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:16:16,010 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 22:16:16,010 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:16:16,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:16:16,013 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:16:16,013 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:16:16,013 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:16:16,013 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:16:16,013 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:16:16,013 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:16:16,013 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:16:16,013 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-20 22:16:16,013 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:16:16,015 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-01-20 22:16:16,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-20 22:16:16,016 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:16,016 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:16:16,016 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:16,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1481761889, now seen corresponding path program 1 times [2018-01-20 22:16:16,017 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:16,017 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:16,018 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:16,018 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:16:16,018 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:16,026 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:16,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:16:16,041 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:16:16,041 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:16:16,042 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-20 22:16:16,042 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-20 22:16:16,042 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 22:16:16,042 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2018-01-20 22:16:16,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:16,049 INFO L93 Difference]: Finished difference Result 72 states and 86 transitions. [2018-01-20 22:16:16,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-20 22:16:16,049 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-01-20 22:16:16,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:16,052 INFO L225 Difference]: With dead ends: 72 [2018-01-20 22:16:16,052 INFO L226 Difference]: Without dead ends: 37 [2018-01-20 22:16:16,053 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-20 22:16:16,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-01-20 22:16:16,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-01-20 22:16:16,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-01-20 22:16:16,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2018-01-20 22:16:16,068 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 17 [2018-01-20 22:16:16,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:16,068 INFO L432 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2018-01-20 22:16:16,068 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-20 22:16:16,068 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2018-01-20 22:16:16,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-20 22:16:16,069 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:16,070 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:16:16,070 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:16,070 INFO L82 PathProgramCache]: Analyzing trace with hash 499012364, now seen corresponding path program 1 times [2018-01-20 22:16:16,070 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:16,070 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:16,072 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:16,072 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:16:16,072 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:16,086 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:16,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:16:16,132 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:16:16,132 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-20 22:16:16,133 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 22:16:16,133 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 22:16:16,134 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:16:16,134 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand 3 states. [2018-01-20 22:16:16,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:16,194 INFO L93 Difference]: Finished difference Result 66 states and 74 transitions. [2018-01-20 22:16:16,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 22:16:16,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-01-20 22:16:16,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:16,199 INFO L225 Difference]: With dead ends: 66 [2018-01-20 22:16:16,199 INFO L226 Difference]: Without dead ends: 51 [2018-01-20 22:16:16,200 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:16:16,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-01-20 22:16:16,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 41. [2018-01-20 22:16:16,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-01-20 22:16:16,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2018-01-20 22:16:16,213 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 19 [2018-01-20 22:16:16,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:16,213 INFO L432 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2018-01-20 22:16:16,213 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 22:16:16,213 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2018-01-20 22:16:16,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-01-20 22:16:16,215 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:16,215 INFO L322 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] [2018-01-20 22:16:16,215 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:16,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1504830404, now seen corresponding path program 1 times [2018-01-20 22:16:16,215 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:16,216 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:16,217 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:16,217 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:16:16,217 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:16,236 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:16,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:16:16,416 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:16:16,416 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 22:16:16,424 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:16:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:16,455 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:16:16,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:16:16,525 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-20 22:16:16,526 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4] total 10 [2018-01-20 22:16:16,526 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-01-20 22:16:16,526 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-01-20 22:16:16,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-01-20 22:16:16,527 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand 10 states. [2018-01-20 22:16:16,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:16,837 INFO L93 Difference]: Finished difference Result 96 states and 112 transitions. [2018-01-20 22:16:16,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-01-20 22:16:16,838 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2018-01-20 22:16:16,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:16,840 INFO L225 Difference]: With dead ends: 96 [2018-01-20 22:16:16,840 INFO L226 Difference]: Without dead ends: 79 [2018-01-20 22:16:16,841 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2018-01-20 22:16:16,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-01-20 22:16:16,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 50. [2018-01-20 22:16:16,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-01-20 22:16:16,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2018-01-20 22:16:16,857 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 31 [2018-01-20 22:16:16,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:16,857 INFO L432 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2018-01-20 22:16:16,857 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-01-20 22:16:16,857 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2018-01-20 22:16:16,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-01-20 22:16:16,859 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:16,859 INFO L322 BasicCegarLoop]: trace histogram [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] [2018-01-20 22:16:16,860 INFO L371 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:16,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1947199059, now seen corresponding path program 2 times [2018-01-20 22:16:16,860 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:16,860 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:16,861 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:16,861 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:16:16,861 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:16,884 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:16,968 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-01-20 22:16:16,968 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:16:16,968 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 22:16:16,979 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-20 22:16:16,994 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:17,002 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:17,003 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-20 22:16:17,006 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:16:17,053 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-01-20 22:16:17,087 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-20 22:16:17,087 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-01-20 22:16:17,087 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-20 22:16:17,087 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-20 22:16:17,088 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-01-20 22:16:17,088 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 9 states. [2018-01-20 22:16:17,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:17,440 INFO L93 Difference]: Finished difference Result 136 states and 156 transitions. [2018-01-20 22:16:17,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-20 22:16:17,441 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 42 [2018-01-20 22:16:17,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:17,443 INFO L225 Difference]: With dead ends: 136 [2018-01-20 22:16:17,443 INFO L226 Difference]: Without dead ends: 101 [2018-01-20 22:16:17,444 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-01-20 22:16:17,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-01-20 22:16:17,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 70. [2018-01-20 22:16:17,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-01-20 22:16:17,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions. [2018-01-20 22:16:17,453 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 42 [2018-01-20 22:16:17,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:17,454 INFO L432 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions. [2018-01-20 22:16:17,454 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-20 22:16:17,454 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2018-01-20 22:16:17,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-01-20 22:16:17,455 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:17,455 INFO L322 BasicCegarLoop]: trace histogram [5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:16:17,455 INFO L371 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:17,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1267511486, now seen corresponding path program 1 times [2018-01-20 22:16:17,456 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:17,456 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:17,457 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:17,457 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-20 22:16:17,457 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:17,479 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:17,549 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-01-20 22:16:17,550 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:16:17,550 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 22:16:17,557 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:16:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:17,599 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:16:17,668 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-01-20 22:16:17,687 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-20 22:16:17,688 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2018-01-20 22:16:17,688 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-01-20 22:16:17,688 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-01-20 22:16:17,689 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-01-20 22:16:17,689 INFO L87 Difference]: Start difference. First operand 70 states and 78 transitions. Second operand 12 states. [2018-01-20 22:16:17,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:17,977 INFO L93 Difference]: Finished difference Result 194 states and 221 transitions. [2018-01-20 22:16:17,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-01-20 22:16:17,978 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 63 [2018-01-20 22:16:17,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:17,980 INFO L225 Difference]: With dead ends: 194 [2018-01-20 22:16:17,980 INFO L226 Difference]: Without dead ends: 150 [2018-01-20 22:16:17,981 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2018-01-20 22:16:17,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-01-20 22:16:17,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 95. [2018-01-20 22:16:17,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-01-20 22:16:17,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 107 transitions. [2018-01-20 22:16:17,992 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 107 transitions. Word has length 63 [2018-01-20 22:16:17,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:17,993 INFO L432 AbstractCegarLoop]: Abstraction has 95 states and 107 transitions. [2018-01-20 22:16:17,993 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-01-20 22:16:17,993 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 107 transitions. [2018-01-20 22:16:17,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-01-20 22:16:17,995 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:17,995 INFO L322 BasicCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 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] [2018-01-20 22:16:17,995 INFO L371 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:17,996 INFO L82 PathProgramCache]: Analyzing trace with hash 86499937, now seen corresponding path program 2 times [2018-01-20 22:16:17,996 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:17,996 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:17,997 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:17,997 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:16:17,997 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:18,024 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:18,174 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-01-20 22:16:18,175 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:16:18,175 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 22:16:18,185 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-20 22:16:18,197 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:18,219 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:18,232 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-20 22:16:18,237 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:16:18,337 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 101 proven. 9 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-01-20 22:16:18,359 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-20 22:16:18,359 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-01-20 22:16:18,360 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-01-20 22:16:18,360 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-01-20 22:16:18,360 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2018-01-20 22:16:18,361 INFO L87 Difference]: Start difference. First operand 95 states and 107 transitions. Second operand 15 states. [2018-01-20 22:16:18,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:18,839 INFO L93 Difference]: Finished difference Result 268 states and 304 transitions. [2018-01-20 22:16:18,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-01-20 22:16:18,840 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 89 [2018-01-20 22:16:18,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:18,845 INFO L225 Difference]: With dead ends: 268 [2018-01-20 22:16:18,845 INFO L226 Difference]: Without dead ends: 212 [2018-01-20 22:16:18,861 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2018-01-20 22:16:18,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-01-20 22:16:18,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 125. [2018-01-20 22:16:18,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-01-20 22:16:18,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 142 transitions. [2018-01-20 22:16:18,880 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 142 transitions. Word has length 89 [2018-01-20 22:16:18,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:18,881 INFO L432 AbstractCegarLoop]: Abstraction has 125 states and 142 transitions. [2018-01-20 22:16:18,881 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-01-20 22:16:18,881 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 142 transitions. [2018-01-20 22:16:18,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-01-20 22:16:18,884 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:18,885 INFO L322 BasicCegarLoop]: trace histogram [14, 9, 9, 9, 9, 6, 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, 1] [2018-01-20 22:16:18,885 INFO L371 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:18,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1835683312, now seen corresponding path program 3 times [2018-01-20 22:16:18,885 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:18,885 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:18,886 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:18,886 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-20 22:16:18,887 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:18,922 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:19,083 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-01-20 22:16:19,083 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:16:19,083 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 22:16:19,089 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-01-20 22:16:19,103 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:19,107 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:19,114 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:19,119 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:19,125 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:19,126 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-20 22:16:19,131 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:16:19,200 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 164 proven. 21 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-01-20 22:16:19,221 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-20 22:16:19,221 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 13 [2018-01-20 22:16:19,221 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-01-20 22:16:19,222 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-01-20 22:16:19,222 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2018-01-20 22:16:19,222 INFO L87 Difference]: Start difference. First operand 125 states and 142 transitions. Second operand 13 states. [2018-01-20 22:16:19,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:19,482 INFO L93 Difference]: Finished difference Result 324 states and 370 transitions. [2018-01-20 22:16:19,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-01-20 22:16:19,482 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 120 [2018-01-20 22:16:19,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:19,484 INFO L225 Difference]: With dead ends: 324 [2018-01-20 22:16:19,485 INFO L226 Difference]: Without dead ends: 291 [2018-01-20 22:16:19,486 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2018-01-20 22:16:19,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2018-01-20 22:16:19,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 168. [2018-01-20 22:16:19,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-01-20 22:16:19,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 194 transitions. [2018-01-20 22:16:19,506 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 194 transitions. Word has length 120 [2018-01-20 22:16:19,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:19,507 INFO L432 AbstractCegarLoop]: Abstraction has 168 states and 194 transitions. [2018-01-20 22:16:19,507 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-01-20 22:16:19,507 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 194 transitions. [2018-01-20 22:16:19,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-01-20 22:16:19,509 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:19,510 INFO L322 BasicCegarLoop]: trace histogram [20, 14, 14, 14, 14, 7, 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, 1] [2018-01-20 22:16:19,510 INFO L371 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:19,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1301775917, now seen corresponding path program 4 times [2018-01-20 22:16:19,510 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:19,510 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:19,511 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:19,511 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-20 22:16:19,511 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:19,545 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:19,739 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2018-01-20 22:16:19,739 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:16:19,739 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 22:16:19,747 INFO L101 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-01-20 22:16:19,790 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-20 22:16:19,798 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:16:19,961 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 372 proven. 38 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2018-01-20 22:16:19,984 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-20 22:16:19,984 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14] total 21 [2018-01-20 22:16:19,984 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-01-20 22:16:19,985 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-01-20 22:16:19,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2018-01-20 22:16:19,985 INFO L87 Difference]: Start difference. First operand 168 states and 194 transitions. Second operand 21 states. [2018-01-20 22:16:20,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:20,485 INFO L93 Difference]: Finished difference Result 473 states and 543 transitions. [2018-01-20 22:16:20,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-01-20 22:16:20,486 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 156 [2018-01-20 22:16:20,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:20,489 INFO L225 Difference]: With dead ends: 473 [2018-01-20 22:16:20,489 INFO L226 Difference]: Without dead ends: 384 [2018-01-20 22:16:20,490 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=806, Unknown=0, NotChecked=0, Total=992 [2018-01-20 22:16:20,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2018-01-20 22:16:20,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 208. [2018-01-20 22:16:20,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-01-20 22:16:20,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 240 transitions. [2018-01-20 22:16:20,511 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 240 transitions. Word has length 156 [2018-01-20 22:16:20,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:20,511 INFO L432 AbstractCegarLoop]: Abstraction has 208 states and 240 transitions. [2018-01-20 22:16:20,511 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-01-20 22:16:20,512 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 240 transitions. [2018-01-20 22:16:20,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-01-20 22:16:20,515 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:20,515 INFO L322 BasicCegarLoop]: trace histogram [26, 19, 19, 19, 19, 8, 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, 1] [2018-01-20 22:16:20,515 INFO L371 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:20,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1994450070, now seen corresponding path program 5 times [2018-01-20 22:16:20,515 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:20,516 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:20,516 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:20,516 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-20 22:16:20,517 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:20,548 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:20,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1366 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 1247 trivial. 0 not checked. [2018-01-20 22:16:20,708 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:16:20,708 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 22:16:20,713 INFO L101 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-01-20 22:16:20,725 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:20,729 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:20,733 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:20,737 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:20,740 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:20,746 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:20,752 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:20,753 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-20 22:16:20,760 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:16:20,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1366 backedges. 874 proven. 100 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-01-20 22:16:20,936 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-20 22:16:20,936 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 21 [2018-01-20 22:16:20,937 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-01-20 22:16:20,937 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-01-20 22:16:20,937 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2018-01-20 22:16:20,937 INFO L87 Difference]: Start difference. First operand 208 states and 240 transitions. Second operand 21 states. [2018-01-20 22:16:21,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:21,595 INFO L93 Difference]: Finished difference Result 501 states and 575 transitions. [2018-01-20 22:16:21,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-01-20 22:16:21,596 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 192 [2018-01-20 22:16:21,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:21,597 INFO L225 Difference]: With dead ends: 501 [2018-01-20 22:16:21,597 INFO L226 Difference]: Without dead ends: 286 [2018-01-20 22:16:21,599 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=256, Invalid=1226, Unknown=0, NotChecked=0, Total=1482 [2018-01-20 22:16:21,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2018-01-20 22:16:21,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 206. [2018-01-20 22:16:21,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2018-01-20 22:16:21,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 232 transitions. [2018-01-20 22:16:21,615 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 232 transitions. Word has length 192 [2018-01-20 22:16:21,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:21,616 INFO L432 AbstractCegarLoop]: Abstraction has 206 states and 232 transitions. [2018-01-20 22:16:21,616 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-01-20 22:16:21,616 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 232 transitions. [2018-01-20 22:16:21,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-01-20 22:16:21,619 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:21,620 INFO L322 BasicCegarLoop]: trace histogram [33, 25, 25, 25, 25, 9, 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, 1] [2018-01-20 22:16:21,620 INFO L371 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:21,620 INFO L82 PathProgramCache]: Analyzing trace with hash -862939077, now seen corresponding path program 6 times [2018-01-20 22:16:21,620 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:21,620 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:21,621 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:21,621 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-20 22:16:21,622 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:21,658 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:21,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2224 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 2068 trivial. 0 not checked. [2018-01-20 22:16:21,850 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:16:21,850 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 22:16:21,854 INFO L101 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-01-20 22:16:21,870 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:21,873 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:21,875 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:21,879 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:21,883 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:21,888 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:21,892 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:21,897 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:21,903 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:21,910 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:21,911 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-20 22:16:21,916 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:16:21,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2224 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 2068 trivial. 0 not checked. [2018-01-20 22:16:21,972 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-20 22:16:21,972 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2018-01-20 22:16:21,973 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-01-20 22:16:21,973 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-01-20 22:16:21,973 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-01-20 22:16:21,973 INFO L87 Difference]: Start difference. First operand 206 states and 232 transitions. Second operand 12 states. [2018-01-20 22:16:22,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:22,169 INFO L93 Difference]: Finished difference Result 310 states and 350 transitions. [2018-01-20 22:16:22,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-20 22:16:22,169 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 233 [2018-01-20 22:16:22,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:22,172 INFO L225 Difference]: With dead ends: 310 [2018-01-20 22:16:22,172 INFO L226 Difference]: Without dead ends: 265 [2018-01-20 22:16:22,173 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-01-20 22:16:22,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-01-20 22:16:22,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 215. [2018-01-20 22:16:22,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-01-20 22:16:22,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 243 transitions. [2018-01-20 22:16:22,192 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 243 transitions. Word has length 233 [2018-01-20 22:16:22,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:22,193 INFO L432 AbstractCegarLoop]: Abstraction has 215 states and 243 transitions. [2018-01-20 22:16:22,193 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-01-20 22:16:22,193 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 243 transitions. [2018-01-20 22:16:22,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-01-20 22:16:22,197 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:22,198 INFO L322 BasicCegarLoop]: trace histogram [39, 30, 30, 30, 30, 10, 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, 1] [2018-01-20 22:16:22,198 INFO L371 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:22,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1659522376, now seen corresponding path program 7 times [2018-01-20 22:16:22,198 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:22,198 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:22,199 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:22,199 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-20 22:16:22,200 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:22,239 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:22,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3129 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 2931 trivial. 0 not checked. [2018-01-20 22:16:22,595 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:16:22,595 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 22:16:22,600 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:16:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:22,663 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:16:22,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3129 backedges. 1984 proven. 60 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2018-01-20 22:16:22,879 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-20 22:16:22,879 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16] total 26 [2018-01-20 22:16:22,880 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-01-20 22:16:22,880 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-01-20 22:16:22,880 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=519, Unknown=0, NotChecked=0, Total=650 [2018-01-20 22:16:22,881 INFO L87 Difference]: Start difference. First operand 215 states and 243 transitions. Second operand 26 states. [2018-01-20 22:16:23,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:23,470 INFO L93 Difference]: Finished difference Result 559 states and 630 transitions. [2018-01-20 22:16:23,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-01-20 22:16:23,471 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 269 [2018-01-20 22:16:23,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:23,475 INFO L225 Difference]: With dead ends: 559 [2018-01-20 22:16:23,475 INFO L226 Difference]: Without dead ends: 453 [2018-01-20 22:16:23,477 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=302, Invalid=1338, Unknown=0, NotChecked=0, Total=1640 [2018-01-20 22:16:23,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2018-01-20 22:16:23,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 260. [2018-01-20 22:16:23,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2018-01-20 22:16:23,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 295 transitions. [2018-01-20 22:16:23,499 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 295 transitions. Word has length 269 [2018-01-20 22:16:23,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:23,500 INFO L432 AbstractCegarLoop]: Abstraction has 260 states and 295 transitions. [2018-01-20 22:16:23,500 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-01-20 22:16:23,500 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 295 transitions. [2018-01-20 22:16:23,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-01-20 22:16:23,503 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:23,503 INFO L322 BasicCegarLoop]: trace histogram [49, 39, 39, 39, 39, 11, 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, 1] [2018-01-20 22:16:23,503 INFO L371 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:23,504 INFO L82 PathProgramCache]: Analyzing trace with hash 469392129, now seen corresponding path program 8 times [2018-01-20 22:16:23,504 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:23,504 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:23,505 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:23,505 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:16:23,505 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:23,547 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:23,829 INFO L134 CoverageAnalysis]: Checked inductivity of 5000 backedges. 0 proven. 245 refuted. 0 times theorem prover too weak. 4755 trivial. 0 not checked. [2018-01-20 22:16:23,829 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:16:23,829 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 22:16:23,835 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-20 22:16:23,856 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:23,892 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:23,898 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-20 22:16:23,906 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:16:24,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5000 backedges. 3039 proven. 87 refuted. 0 times theorem prover too weak. 1874 trivial. 0 not checked. [2018-01-20 22:16:24,149 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-20 22:16:24,149 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 18] total 29 [2018-01-20 22:16:24,150 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-01-20 22:16:24,150 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-01-20 22:16:24,150 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2018-01-20 22:16:24,150 INFO L87 Difference]: Start difference. First operand 260 states and 295 transitions. Second operand 29 states. [2018-01-20 22:16:24,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:24,846 INFO L93 Difference]: Finished difference Result 677 states and 763 transitions. [2018-01-20 22:16:24,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-01-20 22:16:24,846 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 325 [2018-01-20 22:16:24,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:24,850 INFO L225 Difference]: With dead ends: 677 [2018-01-20 22:16:24,851 INFO L226 Difference]: Without dead ends: 559 [2018-01-20 22:16:24,852 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=370, Invalid=1700, Unknown=0, NotChecked=0, Total=2070 [2018-01-20 22:16:24,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2018-01-20 22:16:24,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 310. [2018-01-20 22:16:24,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-01-20 22:16:24,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 353 transitions. [2018-01-20 22:16:24,875 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 353 transitions. Word has length 325 [2018-01-20 22:16:24,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:24,876 INFO L432 AbstractCegarLoop]: Abstraction has 310 states and 353 transitions. [2018-01-20 22:16:24,876 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-01-20 22:16:24,876 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 353 transitions. [2018-01-20 22:16:24,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2018-01-20 22:16:24,879 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:24,879 INFO L322 BasicCegarLoop]: trace histogram [60, 49, 49, 49, 49, 12, 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, 1] [2018-01-20 22:16:24,879 INFO L371 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:24,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1594188886, now seen corresponding path program 9 times [2018-01-20 22:16:24,879 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:24,880 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:24,880 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:24,881 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-20 22:16:24,881 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:24,930 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:25,414 INFO L134 CoverageAnalysis]: Checked inductivity of 7585 backedges. 0 proven. 297 refuted. 0 times theorem prover too weak. 7288 trivial. 0 not checked. [2018-01-20 22:16:25,414 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:16:25,414 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 22:16:25,422 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-01-20 22:16:25,455 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:25,459 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:25,463 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:25,469 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:25,476 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:25,483 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:25,489 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:25,497 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:25,507 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:25,509 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-20 22:16:25,518 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:16:25,688 INFO L134 CoverageAnalysis]: Checked inductivity of 7585 backedges. 1786 proven. 119 refuted. 0 times theorem prover too weak. 5680 trivial. 0 not checked. [2018-01-20 22:16:25,709 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-20 22:16:25,709 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 23 [2018-01-20 22:16:25,710 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-01-20 22:16:25,710 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-01-20 22:16:25,710 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=369, Unknown=0, NotChecked=0, Total=506 [2018-01-20 22:16:25,710 INFO L87 Difference]: Start difference. First operand 310 states and 353 transitions. Second operand 23 states. [2018-01-20 22:16:26,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:26,278 INFO L93 Difference]: Finished difference Result 762 states and 871 transitions. [2018-01-20 22:16:26,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-01-20 22:16:26,279 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 386 [2018-01-20 22:16:26,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:26,284 INFO L225 Difference]: With dead ends: 762 [2018-01-20 22:16:26,284 INFO L226 Difference]: Without dead ends: 705 [2018-01-20 22:16:26,285 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 378 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=225, Invalid=705, Unknown=0, NotChecked=0, Total=930 [2018-01-20 22:16:26,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2018-01-20 22:16:26,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 373. [2018-01-20 22:16:26,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-01-20 22:16:26,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 430 transitions. [2018-01-20 22:16:26,320 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 430 transitions. Word has length 386 [2018-01-20 22:16:26,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:26,321 INFO L432 AbstractCegarLoop]: Abstraction has 373 states and 430 transitions. [2018-01-20 22:16:26,321 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-01-20 22:16:26,321 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 430 transitions. [2018-01-20 22:16:26,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2018-01-20 22:16:26,325 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:26,325 INFO L322 BasicCegarLoop]: trace histogram [72, 60, 60, 60, 60, 13, 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, 1] [2018-01-20 22:16:26,325 INFO L371 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:26,326 INFO L82 PathProgramCache]: Analyzing trace with hash 234955699, now seen corresponding path program 10 times [2018-01-20 22:16:26,326 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:26,326 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:26,327 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:26,327 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-20 22:16:26,327 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:26,385 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:26,843 INFO L134 CoverageAnalysis]: Checked inductivity of 11040 backedges. 0 proven. 354 refuted. 0 times theorem prover too weak. 10686 trivial. 0 not checked. [2018-01-20 22:16:26,844 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:16:26,844 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 22:16:26,849 INFO L101 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-01-20 22:16:26,923 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-20 22:16:26,933 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:16:27,395 INFO L134 CoverageAnalysis]: Checked inductivity of 11040 backedges. 6178 proven. 156 refuted. 0 times theorem prover too weak. 4706 trivial. 0 not checked. [2018-01-20 22:16:27,417 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-20 22:16:27,417 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 22] total 35 [2018-01-20 22:16:27,418 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-01-20 22:16:27,418 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-01-20 22:16:27,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=963, Unknown=0, NotChecked=0, Total=1190 [2018-01-20 22:16:27,418 INFO L87 Difference]: Start difference. First operand 373 states and 430 transitions. Second operand 35 states. [2018-01-20 22:16:30,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:30,046 INFO L93 Difference]: Finished difference Result 981 states and 1124 transitions. [2018-01-20 22:16:30,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-01-20 22:16:30,046 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 452 [2018-01-20 22:16:30,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:30,051 INFO L225 Difference]: With dead ends: 981 [2018-01-20 22:16:30,051 INFO L226 Difference]: Without dead ends: 829 [2018-01-20 22:16:30,053 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 675 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=527, Invalid=2553, Unknown=0, NotChecked=0, Total=3080 [2018-01-20 22:16:30,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2018-01-20 22:16:30,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 433. [2018-01-20 22:16:30,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2018-01-20 22:16:30,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 497 transitions. [2018-01-20 22:16:30,077 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 497 transitions. Word has length 452 [2018-01-20 22:16:30,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:30,078 INFO L432 AbstractCegarLoop]: Abstraction has 433 states and 497 transitions. [2018-01-20 22:16:30,078 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-01-20 22:16:30,078 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 497 transitions. [2018-01-20 22:16:30,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2018-01-20 22:16:30,081 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:30,081 INFO L322 BasicCegarLoop]: trace histogram [84, 71, 71, 71, 71, 14, 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, 1] [2018-01-20 22:16:30,081 INFO L371 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:30,081 INFO L82 PathProgramCache]: Analyzing trace with hash 247328228, now seen corresponding path program 11 times [2018-01-20 22:16:30,081 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:30,081 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:30,082 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:30,082 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-20 22:16:30,082 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:30,124 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:31,055 INFO L134 CoverageAnalysis]: Checked inductivity of 15155 backedges. 0 proven. 416 refuted. 0 times theorem prover too weak. 14739 trivial. 0 not checked. [2018-01-20 22:16:31,055 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:16:31,055 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 22:16:31,062 INFO L101 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-01-20 22:16:31,095 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:31,105 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:31,121 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:31,140 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:31,159 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:31,179 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:31,198 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:31,210 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:31,228 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:31,232 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-20 22:16:31,243 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:16:31,670 INFO L134 CoverageAnalysis]: Checked inductivity of 15155 backedges. 8950 proven. 408 refuted. 0 times theorem prover too weak. 5797 trivial. 0 not checked. [2018-01-20 22:16:31,691 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-20 22:16:31,691 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 21] total 35 [2018-01-20 22:16:31,692 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-01-20 22:16:31,692 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-01-20 22:16:31,693 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=976, Unknown=0, NotChecked=0, Total=1190 [2018-01-20 22:16:31,693 INFO L87 Difference]: Start difference. First operand 433 states and 497 transitions. Second operand 35 states. [2018-01-20 22:16:32,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:32,984 INFO L93 Difference]: Finished difference Result 852 states and 961 transitions. [2018-01-20 22:16:32,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-01-20 22:16:32,984 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 518 [2018-01-20 22:16:32,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:32,988 INFO L225 Difference]: With dead ends: 852 [2018-01-20 22:16:32,988 INFO L226 Difference]: Without dead ends: 688 [2018-01-20 22:16:32,990 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 578 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=703, Invalid=3719, Unknown=0, NotChecked=0, Total=4422 [2018-01-20 22:16:32,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2018-01-20 22:16:33,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 434. [2018-01-20 22:16:33,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-01-20 22:16:33,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 498 transitions. [2018-01-20 22:16:33,026 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 498 transitions. Word has length 518 [2018-01-20 22:16:33,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:33,026 INFO L432 AbstractCegarLoop]: Abstraction has 434 states and 498 transitions. [2018-01-20 22:16:33,027 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-01-20 22:16:33,027 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 498 transitions. [2018-01-20 22:16:33,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2018-01-20 22:16:33,032 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:33,032 INFO L322 BasicCegarLoop]: trace histogram [95, 81, 81, 81, 81, 15, 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, 1] [2018-01-20 22:16:33,032 INFO L371 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:33,032 INFO L82 PathProgramCache]: Analyzing trace with hash 401075765, now seen corresponding path program 12 times [2018-01-20 22:16:33,033 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:33,033 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:33,033 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:33,034 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-20 22:16:33,034 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:33,097 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:33,802 INFO L134 CoverageAnalysis]: Checked inductivity of 19497 backedges. 0 proven. 483 refuted. 0 times theorem prover too weak. 19014 trivial. 0 not checked. [2018-01-20 22:16:33,803 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:16:33,803 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 22:16:33,812 INFO L101 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-01-20 22:16:33,855 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:33,863 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:33,869 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:33,879 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:33,888 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:33,899 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:33,908 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:33,923 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:33,935 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:33,946 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:33,955 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:33,966 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:33,979 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:33,993 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:34,011 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:34,033 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:34,064 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:34,067 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-20 22:16:34,079 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:16:34,431 INFO L134 CoverageAnalysis]: Checked inductivity of 19497 backedges. 2953 proven. 1103 refuted. 0 times theorem prover too weak. 15441 trivial. 0 not checked. [2018-01-20 22:16:34,467 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-20 22:16:34,467 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 28 [2018-01-20 22:16:34,468 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-01-20 22:16:34,469 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-01-20 22:16:34,469 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=553, Unknown=0, NotChecked=0, Total=756 [2018-01-20 22:16:34,469 INFO L87 Difference]: Start difference. First operand 434 states and 498 transitions. Second operand 28 states. [2018-01-20 22:16:35,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:35,145 INFO L93 Difference]: Finished difference Result 1084 states and 1244 transitions. [2018-01-20 22:16:35,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-01-20 22:16:35,146 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 579 [2018-01-20 22:16:35,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:35,152 INFO L225 Difference]: With dead ends: 1084 [2018-01-20 22:16:35,152 INFO L226 Difference]: Without dead ends: 1015 [2018-01-20 22:16:35,154 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=333, Invalid=1073, Unknown=0, NotChecked=0, Total=1406 [2018-01-20 22:16:35,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2018-01-20 22:16:35,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 507. [2018-01-20 22:16:35,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2018-01-20 22:16:35,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 588 transitions. [2018-01-20 22:16:35,200 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 588 transitions. Word has length 579 [2018-01-20 22:16:35,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:35,201 INFO L432 AbstractCegarLoop]: Abstraction has 507 states and 588 transitions. [2018-01-20 22:16:35,201 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-01-20 22:16:35,201 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 588 transitions. [2018-01-20 22:16:35,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2018-01-20 22:16:35,207 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:35,208 INFO L322 BasicCegarLoop]: trace histogram [110, 95, 95, 95, 95, 16, 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, 1] [2018-01-20 22:16:35,208 INFO L371 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:35,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1227952010, now seen corresponding path program 13 times [2018-01-20 22:16:35,208 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:35,208 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:35,209 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:35,209 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-20 22:16:35,209 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:35,276 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:36,068 INFO L134 CoverageAnalysis]: Checked inductivity of 26360 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 25805 trivial. 0 not checked. [2018-01-20 22:16:36,068 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:16:36,068 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 22:16:36,073 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:16:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:36,255 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:16:36,804 INFO L134 CoverageAnalysis]: Checked inductivity of 26360 backedges. 14739 proven. 245 refuted. 0 times theorem prover too weak. 11376 trivial. 0 not checked. [2018-01-20 22:16:36,825 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-20 22:16:36,825 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 26] total 42 [2018-01-20 22:16:36,826 INFO L409 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-01-20 22:16:36,826 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-01-20 22:16:36,826 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=1399, Unknown=0, NotChecked=0, Total=1722 [2018-01-20 22:16:36,826 INFO L87 Difference]: Start difference. First operand 507 states and 588 transitions. Second operand 42 states. [2018-01-20 22:16:37,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:37,713 INFO L93 Difference]: Finished difference Result 1336 states and 1533 transitions. [2018-01-20 22:16:37,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-01-20 22:16:37,743 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 660 [2018-01-20 22:16:37,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:37,746 INFO L225 Difference]: With dead ends: 1336 [2018-01-20 22:16:37,746 INFO L226 Difference]: Without dead ends: 1151 [2018-01-20 22:16:37,749 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 703 GetRequests, 637 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1015 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=762, Invalid=3794, Unknown=0, NotChecked=0, Total=4556 [2018-01-20 22:16:37,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2018-01-20 22:16:37,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 577. [2018-01-20 22:16:37,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2018-01-20 22:16:37,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 666 transitions. [2018-01-20 22:16:37,779 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 666 transitions. Word has length 660 [2018-01-20 22:16:37,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:37,779 INFO L432 AbstractCegarLoop]: Abstraction has 577 states and 666 transitions. [2018-01-20 22:16:37,779 INFO L433 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-01-20 22:16:37,780 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 666 transitions. [2018-01-20 22:16:37,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 742 [2018-01-20 22:16:37,784 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:37,784 INFO L322 BasicCegarLoop]: trace histogram [125, 109, 109, 109, 109, 17, 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, 1] [2018-01-20 22:16:37,784 INFO L371 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:37,784 INFO L82 PathProgramCache]: Analyzing trace with hash 259604847, now seen corresponding path program 14 times [2018-01-20 22:16:37,784 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:37,784 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:37,785 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:37,785 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:16:37,785 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:37,831 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:38,732 INFO L134 CoverageAnalysis]: Checked inductivity of 34270 backedges. 0 proven. 632 refuted. 0 times theorem prover too weak. 33638 trivial. 0 not checked. [2018-01-20 22:16:38,733 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:16:38,733 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 22:16:38,738 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-01-20 22:16:38,772 INFO L201 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:38,852 INFO L214 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:38,866 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-20 22:16:38,880 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:16:39,384 INFO L134 CoverageAnalysis]: Checked inductivity of 34270 backedges. 19837 proven. 198 refuted. 0 times theorem prover too weak. 14235 trivial. 0 not checked. [2018-01-20 22:16:39,406 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-20 22:16:39,407 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 24] total 41 [2018-01-20 22:16:39,407 INFO L409 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-01-20 22:16:39,407 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-01-20 22:16:39,408 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=316, Invalid=1324, Unknown=0, NotChecked=0, Total=1640 [2018-01-20 22:16:39,408 INFO L87 Difference]: Start difference. First operand 577 states and 666 transitions. Second operand 41 states. [2018-01-20 22:16:40,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:40,321 INFO L93 Difference]: Finished difference Result 1255 states and 1416 transitions. [2018-01-20 22:16:40,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-01-20 22:16:40,321 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 741 [2018-01-20 22:16:40,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:40,324 INFO L225 Difference]: With dead ends: 1255 [2018-01-20 22:16:40,324 INFO L226 Difference]: Without dead ends: 1058 [2018-01-20 22:16:40,326 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 785 GetRequests, 720 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 952 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=766, Invalid=3656, Unknown=0, NotChecked=0, Total=4422 [2018-01-20 22:16:40,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2018-01-20 22:16:40,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 578. [2018-01-20 22:16:40,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2018-01-20 22:16:40,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 667 transitions. [2018-01-20 22:16:40,373 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 667 transitions. Word has length 741 [2018-01-20 22:16:40,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:40,373 INFO L432 AbstractCegarLoop]: Abstraction has 578 states and 667 transitions. [2018-01-20 22:16:40,373 INFO L433 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-01-20 22:16:40,374 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 667 transitions. [2018-01-20 22:16:40,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 813 [2018-01-20 22:16:40,381 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:40,381 INFO L322 BasicCegarLoop]: trace histogram [138, 121, 121, 121, 121, 18, 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, 1] [2018-01-20 22:16:40,381 INFO L371 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:40,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1435167900, now seen corresponding path program 15 times [2018-01-20 22:16:40,382 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:40,382 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:40,383 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:40,383 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-20 22:16:40,383 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:40,450 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:41,477 INFO L134 CoverageAnalysis]: Checked inductivity of 41944 backedges. 0 proven. 714 refuted. 0 times theorem prover too weak. 41230 trivial. 0 not checked. [2018-01-20 22:16:41,477 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:16:41,477 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 22:16:41,482 INFO L101 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-01-20 22:16:41,517 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:41,520 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:41,524 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:41,527 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:41,532 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:41,536 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:41,542 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:41,548 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:41,559 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:41,569 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:41,584 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:41,597 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:41,614 INFO L254 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued a check-sat command [2018-01-20 22:16:41,617 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-20 22:16:41,625 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:16:42,226 INFO L134 CoverageAnalysis]: Checked inductivity of 41944 backedges. 6768 proven. 297 refuted. 0 times theorem prover too weak. 34879 trivial. 0 not checked. [2018-01-20 22:16:42,261 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-20 22:16:42,261 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17] total 33 [2018-01-20 22:16:42,262 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-01-20 22:16:42,262 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-01-20 22:16:42,262 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=282, Invalid=774, Unknown=0, NotChecked=0, Total=1056 [2018-01-20 22:16:42,262 INFO L87 Difference]: Start difference. First operand 578 states and 667 transitions. Second operand 33 states. [2018-01-20 22:16:43,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:43,022 INFO L93 Difference]: Finished difference Result 1463 states and 1684 transitions. [2018-01-20 22:16:43,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-01-20 22:16:43,022 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 812 [2018-01-20 22:16:43,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:43,027 INFO L225 Difference]: With dead ends: 1463 [2018-01-20 22:16:43,028 INFO L226 Difference]: Without dead ends: 1382 [2018-01-20 22:16:43,029 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 843 GetRequests, 800 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=462, Invalid=1518, Unknown=0, NotChecked=0, Total=1980 [2018-01-20 22:16:43,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2018-01-20 22:16:43,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 661. [2018-01-20 22:16:43,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2018-01-20 22:16:43,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 770 transitions. [2018-01-20 22:16:43,067 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 770 transitions. Word has length 812 [2018-01-20 22:16:43,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:43,068 INFO L432 AbstractCegarLoop]: Abstraction has 661 states and 770 transitions. [2018-01-20 22:16:43,068 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-01-20 22:16:43,068 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 770 transitions. [2018-01-20 22:16:43,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 909 [2018-01-20 22:16:43,073 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:43,074 INFO L322 BasicCegarLoop]: trace histogram [156, 138, 138, 138, 138, 19, 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, 1] [2018-01-20 22:16:43,074 INFO L371 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:43,074 INFO L82 PathProgramCache]: Analyzing trace with hash 528703635, now seen corresponding path program 16 times [2018-01-20 22:16:43,074 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:43,074 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:43,075 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:43,075 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-20 22:16:43,075 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:43,128 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:44,309 INFO L134 CoverageAnalysis]: Checked inductivity of 53952 backedges. 0 proven. 801 refuted. 0 times theorem prover too weak. 53151 trivial. 0 not checked. [2018-01-20 22:16:44,310 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:16:44,310 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 22:16:44,315 INFO L101 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-01-20 22:16:44,472 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-20 22:16:44,482 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:16:45,709 INFO L134 CoverageAnalysis]: Checked inductivity of 53952 backedges. 29968 proven. 354 refuted. 0 times theorem prover too weak. 23630 trivial. 0 not checked. [2018-01-20 22:16:45,730 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-20 22:16:45,731 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 30] total 49 [2018-01-20 22:16:45,731 INFO L409 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-01-20 22:16:45,732 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-01-20 22:16:45,732 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=436, Invalid=1916, Unknown=0, NotChecked=0, Total=2352 [2018-01-20 22:16:45,732 INFO L87 Difference]: Start difference. First operand 661 states and 770 transitions. Second operand 49 states. [2018-01-20 22:16:47,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:47,031 INFO L93 Difference]: Finished difference Result 1743 states and 2002 transitions. [2018-01-20 22:16:47,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-01-20 22:16:47,031 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 908 [2018-01-20 22:16:47,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:47,036 INFO L225 Difference]: With dead ends: 1743 [2018-01-20 22:16:47,036 INFO L226 Difference]: Without dead ends: 1525 [2018-01-20 22:16:47,038 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 959 GetRequests, 881 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1424 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1040, Invalid=5280, Unknown=0, NotChecked=0, Total=6320 [2018-01-20 22:16:47,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2018-01-20 22:16:47,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 741. [2018-01-20 22:16:47,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2018-01-20 22:16:47,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 859 transitions. [2018-01-20 22:16:47,082 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 859 transitions. Word has length 908 [2018-01-20 22:16:47,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:47,083 INFO L432 AbstractCegarLoop]: Abstraction has 741 states and 859 transitions. [2018-01-20 22:16:47,083 INFO L433 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-01-20 22:16:47,083 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 859 transitions. [2018-01-20 22:16:47,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1005 [2018-01-20 22:16:47,090 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:47,091 INFO L322 BasicCegarLoop]: trace histogram [174, 155, 155, 155, 155, 20, 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, 1] [2018-01-20 22:16:47,091 INFO L371 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:47,091 INFO L82 PathProgramCache]: Analyzing trace with hash -476265122, now seen corresponding path program 17 times [2018-01-20 22:16:47,091 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:47,091 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:47,092 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:47,092 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-20 22:16:47,092 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:47,151 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:48,674 INFO L134 CoverageAnalysis]: Checked inductivity of 67484 backedges. 0 proven. 893 refuted. 0 times theorem prover too weak. 66591 trivial. 0 not checked. [2018-01-20 22:16:48,674 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:16:48,674 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 22:16:48,680 INFO L101 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-01-20 22:16:48,734 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:48,739 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:48,745 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:48,752 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:48,759 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:48,766 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:48,773 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:48,785 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:48,793 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:48,802 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:48,810 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:48,821 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:48,835 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:48,851 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:48,874 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:48,894 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:48,917 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:48,943 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:48,972 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:49,003 INFO L278 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued a check-sat command [2018-01-20 22:16:49,006 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-20 22:16:49,018 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:16:49,778 INFO L134 CoverageAnalysis]: Checked inductivity of 67484 backedges. 38210 proven. 1282 refuted. 0 times theorem prover too weak. 27992 trivial. 0 not checked. [2018-01-20 22:16:49,801 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-20 22:16:49,801 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 29] total 49 [2018-01-20 22:16:49,802 INFO L409 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-01-20 22:16:49,802 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-01-20 22:16:49,803 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=407, Invalid=1945, Unknown=0, NotChecked=0, Total=2352 [2018-01-20 22:16:49,803 INFO L87 Difference]: Start difference. First operand 741 states and 859 transitions. Second operand 49 states. [2018-01-20 22:16:51,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:51,371 INFO L93 Difference]: Finished difference Result 2011 states and 2306 transitions. [2018-01-20 22:16:51,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-01-20 22:16:51,372 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 1004 [2018-01-20 22:16:51,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:51,376 INFO L225 Difference]: With dead ends: 2011 [2018-01-20 22:16:51,376 INFO L226 Difference]: Without dead ends: 1220 [2018-01-20 22:16:51,380 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 1071 GetRequests, 978 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2051 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1325, Invalid=7605, Unknown=0, NotChecked=0, Total=8930 [2018-01-20 22:16:51,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2018-01-20 22:16:51,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 742. [2018-01-20 22:16:51,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-01-20 22:16:51,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 848 transitions. [2018-01-20 22:16:51,422 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 848 transitions. Word has length 1004 [2018-01-20 22:16:51,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:51,423 INFO L432 AbstractCegarLoop]: Abstraction has 742 states and 848 transitions. [2018-01-20 22:16:51,423 INFO L433 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-01-20 22:16:51,423 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 848 transitions. [2018-01-20 22:16:51,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1086 [2018-01-20 22:16:51,432 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:51,432 INFO L322 BasicCegarLoop]: trace histogram [189, 169, 169, 169, 169, 21, 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, 1] [2018-01-20 22:16:51,433 INFO L371 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:51,433 INFO L82 PathProgramCache]: Analyzing trace with hash -468036817, now seen corresponding path program 18 times [2018-01-20 22:16:51,433 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:51,433 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:51,434 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:51,434 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-20 22:16:51,434 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:51,498 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:16:53,155 INFO L134 CoverageAnalysis]: Checked inductivity of 79870 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 78880 trivial. 0 not checked. [2018-01-20 22:16:53,156 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-20 22:16:53,156 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-20 22:16:53,161 INFO L101 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-01-20 22:16:53,204 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,207 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,210 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,213 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,217 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,222 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,228 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,234 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,241 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,248 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,256 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,262 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,271 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,279 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,290 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,301 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,315 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,327 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,344 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,358 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,378 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,404 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,429 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,455 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,481 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,518 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,550 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,614 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,686 INFO L310 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued a check-sat command [2018-01-20 22:16:53,691 INFO L239 tOrderPrioritization]: Conjunction of SSA is unsat [2018-01-20 22:16:53,703 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-20 22:16:54,321 INFO L134 CoverageAnalysis]: Checked inductivity of 79870 backedges. 11119 proven. 416 refuted. 0 times theorem prover too weak. 68335 trivial. 0 not checked. [2018-01-20 22:16:54,343 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-20 22:16:54,344 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 19] total 38 [2018-01-20 22:16:54,344 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-01-20 22:16:54,345 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-01-20 22:16:54,345 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=374, Invalid=1032, Unknown=0, NotChecked=0, Total=1406 [2018-01-20 22:16:54,345 INFO L87 Difference]: Start difference. First operand 742 states and 848 transitions. Second operand 38 states. [2018-01-20 22:16:55,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:16:55,152 INFO L93 Difference]: Finished difference Result 1792 states and 2058 transitions. [2018-01-20 22:16:55,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-01-20 22:16:55,153 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 1085 [2018-01-20 22:16:55,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:16:55,159 INFO L225 Difference]: With dead ends: 1792 [2018-01-20 22:16:55,159 INFO L226 Difference]: Without dead ends: 1699 [2018-01-20 22:16:55,161 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 1121 GetRequests, 1071 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=612, Invalid=2040, Unknown=0, NotChecked=0, Total=2652 [2018-01-20 22:16:55,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2018-01-20 22:16:55,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 835. [2018-01-20 22:16:55,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 835 states. [2018-01-20 22:16:55,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 963 transitions. [2018-01-20 22:16:55,241 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 963 transitions. Word has length 1085 [2018-01-20 22:16:55,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:16:55,242 INFO L432 AbstractCegarLoop]: Abstraction has 835 states and 963 transitions. [2018-01-20 22:16:55,242 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-01-20 22:16:55,242 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 963 transitions. [2018-01-20 22:16:55,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1197 [2018-01-20 22:16:55,257 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:16:55,257 INFO L322 BasicCegarLoop]: trace histogram [210, 189, 189, 189, 189, 22, 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, 1] [2018-01-20 22:16:55,258 INFO L371 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:16:55,258 INFO L82 PathProgramCache]: Analyzing trace with hash 600892502, now seen corresponding path program 19 times [2018-01-20 22:16:55,258 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:16:55,258 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:16:55,259 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:55,259 INFO L99 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-01-20 22:16:55,259 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:16:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:16:55,364 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. Received shutdown request... [2018-01-20 22:16:56,815 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,816 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,816 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,816 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,816 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,816 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,817 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,817 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,817 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,817 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,817 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,817 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,817 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,818 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,818 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,818 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,818 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,818 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,818 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,818 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,819 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,819 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,819 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,819 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,819 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,819 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,819 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,820 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,820 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,820 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,820 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,820 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,820 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,820 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,821 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,821 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,821 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,821 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,822 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,822 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,822 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,822 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,823 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,823 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,823 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,823 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,823 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,824 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,824 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,824 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,825 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,825 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,825 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,825 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,826 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,826 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,826 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,826 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,827 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,827 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,827 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,827 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,827 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,827 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,827 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,828 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,828 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,828 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,828 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,828 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,828 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,828 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,829 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,829 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,829 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,829 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,829 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,829 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,829 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,830 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,830 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,830 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,830 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,830 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,830 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,830 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,831 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,831 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,831 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,831 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,831 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,832 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,832 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,832 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,832 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,832 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,832 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,832 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,833 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,833 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,833 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,833 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,833 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,833 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,833 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,833 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,834 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,834 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,834 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,834 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,834 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,834 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,834 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,835 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,835 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,835 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,835 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,835 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,836 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,836 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,836 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,836 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,836 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,836 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,836 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,837 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,837 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,837 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,837 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,837 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,837 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,837 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,838 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,838 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,838 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,838 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,838 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,838 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,838 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,838 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,839 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,839 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,839 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,839 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,839 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,839 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,839 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,840 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,840 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,840 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,840 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,840 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,840 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,840 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,841 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,841 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,841 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,841 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,841 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,841 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,841 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,841 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,842 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,842 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,842 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,842 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,842 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,842 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,842 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,842 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,843 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,843 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,843 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,843 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,843 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,843 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,843 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,843 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,844 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,844 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,844 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,844 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,844 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,844 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,844 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,844 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,845 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,845 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,845 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,845 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,845 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,845 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,845 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,846 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,846 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,846 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,846 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,846 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,846 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,846 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,846 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,847 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,847 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,847 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,847 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,847 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,847 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,847 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,847 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,848 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,848 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,848 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,848 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,848 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,848 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,849 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,849 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,849 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,849 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,849 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,850 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,850 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,850 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,850 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,850 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,850 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,851 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,851 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,851 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,851 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,851 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,851 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,851 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,851 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,852 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,852 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,852 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,852 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,852 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,852 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,852 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,853 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,853 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,853 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,853 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,853 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,853 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,853 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,854 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,854 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,854 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,854 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,854 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,854 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,854 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,854 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,855 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,855 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,855 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,855 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,855 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,855 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,855 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,855 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,856 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,856 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,856 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,856 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,856 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,856 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,856 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,856 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,857 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,857 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,857 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,857 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,857 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,857 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,857 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,857 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,858 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,858 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,858 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,858 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,858 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,858 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,858 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,859 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,859 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,859 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,859 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,859 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,859 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,859 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,859 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,860 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,860 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,860 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,860 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,860 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,860 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,860 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,860 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,861 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,861 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,861 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,861 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,861 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,861 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,861 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,861 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,862 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,862 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,862 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,862 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,862 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,862 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,862 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,862 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,863 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,863 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,863 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,863 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,863 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,863 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,863 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,864 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,864 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,864 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,864 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,864 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,864 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,864 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,864 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,865 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,865 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,865 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,865 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,865 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,865 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,865 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,865 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,866 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,866 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,866 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,866 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,866 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,866 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,866 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,867 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,867 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,867 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,867 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,867 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,867 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,867 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,867 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,868 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,868 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,868 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,868 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,868 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,868 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,868 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,868 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,869 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,869 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,869 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,869 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,869 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,869 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,869 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,869 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,870 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,870 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,870 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,870 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,870 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,870 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,870 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,870 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,871 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,871 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,871 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,871 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,871 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,871 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,871 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,871 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,872 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,872 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,872 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,872 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,872 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,872 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,872 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,872 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,873 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,873 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,873 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,873 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,873 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,873 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,874 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,874 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,874 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,874 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,874 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,875 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,875 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,875 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,875 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,875 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,876 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,876 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,876 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,876 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,876 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,877 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,877 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,877 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,877 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,877 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,878 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,878 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,878 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,878 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,878 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,879 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,879 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,879 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,879 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,879 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,879 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,880 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,880 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,880 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,880 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,880 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,881 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,881 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,881 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,881 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,881 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,882 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,882 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,882 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,882 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,882 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,883 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,883 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,883 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,883 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,883 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,884 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,884 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,884 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,884 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,884 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,884 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,885 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,885 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,885 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,885 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,885 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,885 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,885 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,886 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,886 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,886 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,886 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,886 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,886 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,886 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,886 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,887 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,887 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,887 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,887 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,887 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,887 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,887 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,887 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,888 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,888 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,888 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,888 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,888 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,888 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,888 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,889 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,889 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,889 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,889 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,889 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,889 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,889 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,889 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,890 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,890 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,890 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,890 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,890 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,890 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,890 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,890 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,891 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,891 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,891 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,891 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,891 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,891 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,891 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,891 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,892 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,892 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,892 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,892 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,892 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,892 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,892 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,892 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,893 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,893 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,893 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,893 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,893 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,893 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,893 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,893 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,894 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,894 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,894 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,894 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,894 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,894 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,894 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,894 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,895 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,895 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,895 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,895 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,895 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,895 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,895 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,896 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,896 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,896 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,896 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,896 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,896 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,896 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,896 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,897 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,897 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,897 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,897 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,897 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,897 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,897 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,897 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,898 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,898 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,898 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,898 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,898 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,898 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,898 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,898 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,899 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,899 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,899 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,899 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,899 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,899 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,899 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,899 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,900 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,900 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,900 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,900 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,900 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,900 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,900 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,900 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,901 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,901 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,901 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,901 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,901 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,901 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,901 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,901 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,902 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,902 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,902 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,902 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,902 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,902 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,902 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,902 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,903 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,903 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,903 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,903 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,903 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,903 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,903 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,904 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,904 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,904 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,904 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,904 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,904 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,905 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,905 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,905 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,905 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,905 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,905 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,905 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,906 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,906 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,906 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,906 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,906 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,906 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,906 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,906 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,907 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,907 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,907 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,907 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,907 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,907 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,907 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,907 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,908 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,908 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,908 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,908 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,908 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,908 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,908 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,908 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,909 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,909 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,909 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,909 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,909 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,909 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,909 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,910 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,910 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,910 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,910 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,910 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,910 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,910 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,910 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,910 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,911 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,911 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,911 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,911 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,911 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,911 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,911 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,911 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,912 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,912 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,912 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,912 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,912 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,912 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,912 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,912 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,913 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,913 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,913 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,913 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,913 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,913 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,913 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,914 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,914 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,914 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,914 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,914 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,914 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,914 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,914 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,915 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,915 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,915 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,915 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,915 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,915 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,915 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,916 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,916 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,916 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,916 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,916 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,916 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,916 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,916 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,917 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,917 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,917 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,917 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,917 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,917 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,917 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,917 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,918 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,918 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,918 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,918 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,918 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,918 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,918 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,918 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,918 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,919 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,919 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,919 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,919 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,919 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,919 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,919 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,919 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,920 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,920 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,920 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,920 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,920 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,920 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,920 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,920 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,921 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,921 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,921 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,921 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,921 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,921 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,921 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,921 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,922 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,922 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,922 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,922 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,922 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,922 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,922 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,922 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,923 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,923 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,923 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,923 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,923 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,923 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,923 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,923 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,924 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,924 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,924 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,924 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,924 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,924 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,924 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,924 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,925 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,925 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,925 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,925 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,925 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,925 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,925 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,925 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,926 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,926 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,926 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,926 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,926 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,926 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,926 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,927 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,927 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,927 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,927 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,927 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,927 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,927 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,927 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,927 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,928 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,928 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,928 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,928 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,928 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,928 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,928 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,928 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,929 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,929 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,929 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,929 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,929 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,929 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,929 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,929 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,930 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,930 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,930 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,930 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,930 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,930 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,930 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,930 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,931 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,931 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,931 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,931 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,931 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,931 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,931 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,931 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,932 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,932 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,932 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,932 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,932 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,932 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,932 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,932 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,933 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,933 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,933 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,933 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,933 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,933 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,933 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,933 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,933 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,934 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,934 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,934 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,934 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,934 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,934 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,934 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,934 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,935 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,935 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,935 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,935 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,935 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,935 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,935 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,936 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,936 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,936 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,936 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,936 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,936 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,936 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,937 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,937 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,937 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,937 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,937 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,938 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,938 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,938 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,938 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,938 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,939 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,939 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,939 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,939 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,939 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,940 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,940 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,940 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,940 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,940 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,941 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,941 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,941 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,941 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,941 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,941 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,941 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,941 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,942 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,942 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,942 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,942 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,942 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,942 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,942 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,942 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,943 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,943 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,943 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,943 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,943 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,943 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,943 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,943 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,944 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,944 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,944 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,944 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,944 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,945 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,945 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,945 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,945 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,945 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,946 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,946 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,946 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,946 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,946 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,947 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,947 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,947 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,947 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,947 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,948 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,948 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,948 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,948 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,948 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,949 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,949 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,949 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,949 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,950 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,950 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,950 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,950 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,950 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,951 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,951 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,951 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,951 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,951 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,952 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,952 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,952 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,952 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,952 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,953 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,953 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,953 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,953 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,954 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,954 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,954 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,954 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,954 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,955 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,955 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,955 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,955 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,955 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,956 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,956 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,956 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,956 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,956 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,957 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,957 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,957 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,957 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,957 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,958 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,958 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,958 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,958 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,958 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,959 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,959 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,959 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,959 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,959 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,959 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,960 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,960 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,960 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,960 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,960 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,961 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,961 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,961 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,961 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,961 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,962 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,962 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,962 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,962 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,962 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,963 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,963 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,963 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,963 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,963 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,964 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,964 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,964 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,964 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,964 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,965 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,965 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,965 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,965 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,965 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,966 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,966 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,966 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,966 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,967 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,967 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,967 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,967 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,967 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,968 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,968 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,968 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,968 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,968 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,969 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,969 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,969 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,969 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,969 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,970 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,970 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,970 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,970 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,970 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,971 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,971 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,971 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,971 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,971 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,972 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,972 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,972 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,972 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,972 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,973 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,973 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,973 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,973 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,973 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,974 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,974 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,974 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,974 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,974 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,975 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,975 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,975 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,975 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,975 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,976 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,976 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,976 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,976 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,976 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,977 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,977 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,977 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,977 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,977 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,978 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,978 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,978 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,978 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,978 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,978 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,979 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,979 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,979 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,979 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,979 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,980 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,980 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,980 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,980 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,980 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,981 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,981 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,981 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,981 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,981 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,982 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,982 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,982 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,982 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,983 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,983 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,983 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,983 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,983 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,983 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,984 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,984 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,984 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,984 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,984 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,985 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,985 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,985 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,985 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,985 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,986 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,986 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,986 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,986 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,986 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,986 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,987 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,987 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,987 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,987 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,987 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,988 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,988 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,988 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,988 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,988 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,988 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,989 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,989 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,989 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,989 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,989 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,990 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,990 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,990 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,990 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,990 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,990 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,991 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,991 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,991 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,991 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,991 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,992 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,992 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,992 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,992 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,992 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,993 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,993 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,993 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,993 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,993 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,994 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,994 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,994 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,994 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,994 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,994 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,995 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,995 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,995 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,995 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,995 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,996 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,996 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,996 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,996 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,996 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,996 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,997 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,997 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,997 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,997 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,998 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,998 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,998 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,998 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,998 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,998 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,999 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,999 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,999 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,999 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:56,999 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:57,000 WARN L137 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-01-20 22:16:57,013 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-20 22:16:57,015 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:16:57,015 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:16:57,016 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:16:57,016 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:16:57,016 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:16:57,016 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:16:57,016 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:16:57,016 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-20 22:16:57,016 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:16:57,017 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-01-20 22:16:57,018 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-20 22:16:57,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 10:16:57 BoogieIcfgContainer [2018-01-20 22:16:57,019 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-20 22:16:57,020 INFO L168 Benchmark]: Toolchain (without parser) took 41880.85 ms. Allocated memory was 299.9 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 259.2 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 412.2 MB. Max. memory is 5.3 GB. [2018-01-20 22:16:57,021 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 299.9 MB. Free memory is still 264.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-20 22:16:57,022 INFO L168 Benchmark]: CACSL2BoogieTranslator took 169.83 ms. Allocated memory is still 299.9 MB. Free memory was 258.2 MB in the beginning and 250.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 5.3 GB. [2018-01-20 22:16:57,022 INFO L168 Benchmark]: Boogie Preprocessor took 29.71 ms. Allocated memory is still 299.9 MB. Free memory was 250.1 MB in the beginning and 248.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-20 22:16:57,022 INFO L168 Benchmark]: RCFGBuilder took 225.08 ms. Allocated memory is still 299.9 MB. Free memory was 248.1 MB in the beginning and 233.6 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 5.3 GB. [2018-01-20 22:16:57,023 INFO L168 Benchmark]: TraceAbstraction took 41449.80 ms. Allocated memory was 299.9 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 233.6 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 386.5 MB. Max. memory is 5.3 GB. [2018-01-20 22:16:57,024 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 299.9 MB. Free memory is still 264.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 169.83 ms. Allocated memory is still 299.9 MB. Free memory was 258.2 MB in the beginning and 250.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 29.71 ms. Allocated memory is still 299.9 MB. Free memory was 250.1 MB in the beginning and 248.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 225.08 ms. Allocated memory is still 299.9 MB. Free memory was 248.1 MB in the beginning and 233.6 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 41449.80 ms. Allocated memory was 299.9 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 233.6 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 386.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 4 procedures, 41 locations, 4 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: fooErr0EnsuresViolation CFG has 4 procedures, 41 locations, 4 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 43 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 196 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 1). Cancelled while BasicCegarLoop was analyzing trace of length 1197 with TraceHistMax 210, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while NestedInterpolantsBuilder was constructing predicates for 1195 interpolants. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 4 procedures, 41 locations, 4 error locations. TIMEOUT Result, 41.0s OverallTime, 23 OverallIterations, 210 TraceHistogramMax, 15.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1300 SDtfs, 8640 SDslu, 15076 SDs, 0 SdLazy, 16275 SolverSat, 2215 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9256 GetRequests, 8443 SyntacticMatches, 0 SemanticMatches, 813 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9583 ImplicationChecksByTransitivity, 11.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=835occurred in iteration=22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 22 MinimizatonAttempts, 6474 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 16.7s InterpolantComputationTime, 17366 NumberOfCodeBlocks, 16189 NumberOfCodeBlocksAsserted, 156 NumberOfCheckSat, 17324 ConstructedInterpolants, 0 QuantifiedInterpolants, 16304048 SizeOfPredicates, 62 NumberOfNonLiveVariables, 14084 ConjunctsInSsa, 328 ConjunctsInUnsatCore, 42 InterpolantComputations, 3 PerfectInterpolantSequences, 728483/740606 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 21). Cancelled while IsEmpty was searching accepting run (input had 41 states). - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 4 procedures, 41 locations, 4 error locations. TIMEOUT Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, REUSE_STATISTICS: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength5_true-valid-memsafety.c_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-20_22-16-57-033.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength5_true-valid-memsafety.c_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-20_22-16-57-033.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength5_true-valid-memsafety.c_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-20_22-16-57-033.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength5_true-valid-memsafety.c_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-20_22-16-57-033.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength5_true-valid-memsafety.c_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-20_22-16-57-033.csv Completed graceful shutdown