java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:39:34,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:39:34,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:39:34,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:39:34,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:39:34,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:39:34,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:39:34,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:39:34,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:39:34,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:39:34,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:39:34,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:39:34,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:39:34,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:39:34,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:39:34,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:39:34,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:39:34,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:39:34,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:39:34,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:39:34,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:39:34,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:39:34,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:39:34,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:39:34,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:39:34,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:39:34,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:39:34,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:39:34,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:39:34,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:39:34,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:39:34,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:39:34,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:39:34,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:39:34,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:39:34,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:39:34,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:39:34,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:39:34,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:39:34,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:39:34,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:39:34,317 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:39:34,343 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:39:34,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:39:34,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:39:34,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:39:34,347 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:39:34,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:39:34,348 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:39:34,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:39:34,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:39:34,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:39:34,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:39:34,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:39:34,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:39:34,350 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:39:34,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:39:34,351 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:39:34,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:39:34,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:39:34,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:39:34,352 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:39:34,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:39:34,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:39:34,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:39:34,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:39:34,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:39:34,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:39:34,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:39:34,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:39:34,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 01:39:34,649 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:39:34,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:39:34,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:39:34,669 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:39:34,669 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:39:34,670 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label14.c [2019-10-15 01:39:34,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d6625a13/9317f343402c4286a4482d5671f17878/FLAG901ee0e3f [2019-10-15 01:39:35,318 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:39:35,319 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label14.c [2019-10-15 01:39:35,331 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d6625a13/9317f343402c4286a4482d5671f17878/FLAG901ee0e3f [2019-10-15 01:39:35,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d6625a13/9317f343402c4286a4482d5671f17878 [2019-10-15 01:39:35,584 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:39:35,586 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:39:35,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:39:35,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:39:35,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:39:35,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:39:35" (1/1) ... [2019-10-15 01:39:35,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d8461ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:39:35, skipping insertion in model container [2019-10-15 01:39:35,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:39:35" (1/1) ... [2019-10-15 01:39:35,602 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:39:35,648 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:39:36,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:39:36,192 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:39:36,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:39:36,371 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:39:36,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:39:36 WrapperNode [2019-10-15 01:39:36,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:39:36,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:39:36,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:39:36,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:39:36,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:39:36" (1/1) ... [2019-10-15 01:39:36,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:39:36" (1/1) ... [2019-10-15 01:39:36,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:39:36" (1/1) ... [2019-10-15 01:39:36,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:39:36" (1/1) ... [2019-10-15 01:39:36,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:39:36" (1/1) ... [2019-10-15 01:39:36,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:39:36" (1/1) ... [2019-10-15 01:39:36,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:39:36" (1/1) ... [2019-10-15 01:39:36,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:39:36,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:39:36,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:39:36,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:39:36,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:39:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:39:36,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:39:36,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:39:36,580 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 01:39:36,580 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:39:36,580 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 01:39:36,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:39:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:39:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 01:39:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:39:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:39:36,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:39:38,622 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:39:38,623 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 01:39:38,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:39:38 BoogieIcfgContainer [2019-10-15 01:39:38,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:39:38,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:39:38,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:39:38,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:39:38,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:39:35" (1/3) ... [2019-10-15 01:39:38,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3741adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:39:38, skipping insertion in model container [2019-10-15 01:39:38,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:39:36" (2/3) ... [2019-10-15 01:39:38,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3741adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:39:38, skipping insertion in model container [2019-10-15 01:39:38,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:39:38" (3/3) ... [2019-10-15 01:39:38,633 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label14.c [2019-10-15 01:39:38,643 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:39:38,652 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:39:38,663 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:39:38,690 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:39:38,690 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:39:38,690 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:39:38,690 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:39:38,691 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:39:38,691 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:39:38,691 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:39:38,691 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:39:38,711 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2019-10-15 01:39:38,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-15 01:39:38,721 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:39:38,722 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:39:38,724 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:39:38,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:39:38,730 INFO L82 PathProgramCache]: Analyzing trace with hash 826829223, now seen corresponding path program 1 times [2019-10-15 01:39:38,739 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:39:38,740 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823108793] [2019-10-15 01:39:38,740 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:39:38,740 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:39:38,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:39:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:39:39,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:39:39,184 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823108793] [2019-10-15 01:39:39,185 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:39:39,186 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:39:39,186 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218345386] [2019-10-15 01:39:39,193 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:39:39,193 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:39:39,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:39:39,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:39:39,210 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 3 states. [2019-10-15 01:39:39,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:39:39,737 INFO L93 Difference]: Finished difference Result 246 states and 454 transitions. [2019-10-15 01:39:39,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:39:39,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-10-15 01:39:39,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:39:39,756 INFO L225 Difference]: With dead ends: 246 [2019-10-15 01:39:39,756 INFO L226 Difference]: Without dead ends: 157 [2019-10-15 01:39:39,761 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:39:39,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-10-15 01:39:39,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-10-15 01:39:39,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-10-15 01:39:39,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 273 transitions. [2019-10-15 01:39:39,860 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 273 transitions. Word has length 77 [2019-10-15 01:39:39,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:39:39,861 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 273 transitions. [2019-10-15 01:39:39,862 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:39:39,863 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 273 transitions. [2019-10-15 01:39:39,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-15 01:39:39,870 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:39:39,870 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:39:39,871 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:39:39,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:39:39,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1195657410, now seen corresponding path program 1 times [2019-10-15 01:39:39,872 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:39:39,873 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503565556] [2019-10-15 01:39:39,873 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:39:39,873 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:39:39,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:39:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:39:40,031 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:39:40,032 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503565556] [2019-10-15 01:39:40,032 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:39:40,032 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:39:40,033 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180345073] [2019-10-15 01:39:40,034 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:39:40,035 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:39:40,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:39:40,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:39:40,035 INFO L87 Difference]: Start difference. First operand 157 states and 273 transitions. Second operand 6 states. [2019-10-15 01:39:40,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:39:40,635 INFO L93 Difference]: Finished difference Result 479 states and 861 transitions. [2019-10-15 01:39:40,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:39:40,636 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2019-10-15 01:39:40,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:39:40,641 INFO L225 Difference]: With dead ends: 479 [2019-10-15 01:39:40,641 INFO L226 Difference]: Without dead ends: 327 [2019-10-15 01:39:40,643 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:39:40,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2019-10-15 01:39:40,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 315. [2019-10-15 01:39:40,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-10-15 01:39:40,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 544 transitions. [2019-10-15 01:39:40,680 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 544 transitions. Word has length 87 [2019-10-15 01:39:40,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:39:40,680 INFO L462 AbstractCegarLoop]: Abstraction has 315 states and 544 transitions. [2019-10-15 01:39:40,680 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:39:40,681 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 544 transitions. [2019-10-15 01:39:40,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:39:40,684 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:39:40,684 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:39:40,685 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:39:40,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:39:40,685 INFO L82 PathProgramCache]: Analyzing trace with hash -2128679014, now seen corresponding path program 1 times [2019-10-15 01:39:40,686 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:39:40,686 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220779017] [2019-10-15 01:39:40,686 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:39:40,686 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:39:40,687 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:39:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:39:40,807 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:39:40,808 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220779017] [2019-10-15 01:39:40,808 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:39:40,808 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:39:40,809 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663549278] [2019-10-15 01:39:40,810 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:39:40,810 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:39:40,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:39:40,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:39:40,811 INFO L87 Difference]: Start difference. First operand 315 states and 544 transitions. Second operand 3 states. [2019-10-15 01:39:41,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:39:41,234 INFO L93 Difference]: Finished difference Result 852 states and 1498 transitions. [2019-10-15 01:39:41,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:39:41,237 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2019-10-15 01:39:41,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:39:41,242 INFO L225 Difference]: With dead ends: 852 [2019-10-15 01:39:41,243 INFO L226 Difference]: Without dead ends: 542 [2019-10-15 01:39:41,245 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:39:41,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2019-10-15 01:39:41,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 542. [2019-10-15 01:39:41,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-10-15 01:39:41,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 895 transitions. [2019-10-15 01:39:41,283 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 895 transitions. Word has length 88 [2019-10-15 01:39:41,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:39:41,284 INFO L462 AbstractCegarLoop]: Abstraction has 542 states and 895 transitions. [2019-10-15 01:39:41,284 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:39:41,284 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 895 transitions. [2019-10-15 01:39:41,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-15 01:39:41,288 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:39:41,288 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:39:41,288 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:39:41,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:39:41,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1484510563, now seen corresponding path program 1 times [2019-10-15 01:39:41,289 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:39:41,289 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847907679] [2019-10-15 01:39:41,289 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:39:41,290 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:39:41,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:39:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:39:41,418 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:39:41,418 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847907679] [2019-10-15 01:39:41,419 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122625429] [2019-10-15 01:39:41,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:39:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:39:41,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 01:39:41,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:39:41,626 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:39:41,627 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:39:41,721 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:39:41,722 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [417802545] [2019-10-15 01:39:41,760 INFO L162 IcfgInterpreter]: Started Sifa with 81 locations of interest [2019-10-15 01:39:41,760 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 01:39:41,767 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 01:39:41,775 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 01:39:41,776 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 01:39:42,219 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 100 for LOIs [2019-10-15 01:39:43,362 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 186 [2019-10-15 01:39:44,475 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 138 for LOIs [2019-10-15 01:39:45,095 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-10-15 01:39:45,224 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-10-15 01:39:45,409 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-10-15 01:39:45,630 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-10-15 01:39:45,768 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-10-15 01:39:45,948 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-15 01:39:46,275 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-10-15 01:39:46,460 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-10-15 01:39:46,881 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-10-15 01:39:47,076 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-10-15 01:39:47,281 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-10-15 01:39:47,682 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:47,924 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:48,170 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-15 01:39:49,132 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:49,339 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:49,511 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:39:49,833 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:49,997 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:50,159 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 01:39:50,439 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:50,594 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:50,759 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-15 01:39:51,412 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:51,566 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:51,728 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 01:39:51,959 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:52,113 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:52,284 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-15 01:39:52,822 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:52,977 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:53,153 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 01:39:53,416 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:53,577 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:53,752 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-15 01:39:54,047 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:54,202 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:54,442 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:54,626 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:54,794 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-10-15 01:39:55,013 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:55,173 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:55,334 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:39:55,557 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:55,713 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:55,876 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:39:56,219 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:56,372 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:56,534 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 01:39:56,826 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:56,980 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:39:57,144 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-10-15 01:39:57,360 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:39:57,509 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:39:57,679 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:39:57,906 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:39:58,057 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:39:58,223 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:39:58,450 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:39:58,602 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:39:58,765 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:39:59,002 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:39:59,156 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:39:59,313 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:39:59,527 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:39:59,685 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:39:59,843 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:40:00,057 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:00,207 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:00,369 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:00,585 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:00,735 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:00,895 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-10-15 01:40:01,163 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:01,315 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:01,475 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-10-15 01:40:01,730 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:01,882 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:02,049 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:02,367 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:02,518 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:02,684 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:03,148 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:03,303 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:03,490 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:03,700 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:03,855 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:04,016 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:04,256 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:04,405 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:04,566 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:04,786 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:04,942 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:05,097 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 01:40:05,306 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:05,463 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:05,626 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:05,887 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:06,036 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:06,197 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:06,408 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:06,558 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:06,717 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-15 01:40:06,921 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:07,067 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:07,216 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:07,423 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:07,570 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:07,725 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 01:40:07,923 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:08,071 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:08,231 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-10-15 01:40:08,460 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:08,613 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:08,772 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-10-15 01:40:09,000 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:09,148 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:09,300 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:09,512 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:09,661 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:09,808 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:10,012 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:10,160 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:10,310 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-10-15 01:40:10,493 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:10,621 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:10,772 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:10,955 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:11,084 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:11,223 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-10-15 01:40:11,406 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:11,538 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:11,671 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-10-15 01:40:11,856 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:11,988 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:12,130 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-15 01:40:12,340 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:12,474 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:12,620 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 01:40:13,021 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:13,155 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:13,305 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-10-15 01:40:13,489 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:13,630 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:13,769 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 01:40:13,978 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:14,109 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:14,247 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 01:40:14,462 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:14,590 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:14,727 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-10-15 01:40:14,911 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:15,045 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:15,180 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-10-15 01:40:15,445 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:15,576 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:15,711 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-10-15 01:40:15,908 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:16,036 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:16,176 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-10-15 01:40:16,356 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:16,488 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:16,622 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 171