/usr/bin/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_label37.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:35:32,865 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-11-07 01:35:32,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:35:32,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:35:32,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:35:32,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:35:32,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:35:32,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:35:32,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:35:32,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:35:32,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:35:32,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:35:32,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:35:32,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:35:32,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 01:35:32,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:35:32,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:35:32,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:35:32,958 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 [2019-11-07 01:35:32,978 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:35:32,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:35:32,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:35:32,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:35:32,980 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:35:32,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:35:32,981 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:35:32,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:35:32,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:35:32,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:35:32,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:35:32,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:35:32,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:35:32,983 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:35:32,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:35:32,984 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:35:32,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:35:32,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:35:32,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:35:32,984 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:35:32,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:35:32,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:35:32,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:35:32,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:35:32,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:35:32,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:35:32,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:35:32,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:35:32,986 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 [2019-11-07 01:35:33,256 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:35:33,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:35:33,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:35:33,273 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:35:33,274 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:35:33,275 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label37.c [2019-11-07 01:35:33,354 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a9d1e736/23ee0ae5b6e94dcd802f60a5137cf325/FLAG69f5da5a0 [2019-11-07 01:35:33,939 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:35:33,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label37.c [2019-11-07 01:35:33,969 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a9d1e736/23ee0ae5b6e94dcd802f60a5137cf325/FLAG69f5da5a0 [2019-11-07 01:35:34,216 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a9d1e736/23ee0ae5b6e94dcd802f60a5137cf325 [2019-11-07 01:35:34,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:35:34,246 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:35:34,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:35:34,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:35:34,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:35:34,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:35:34" (1/1) ... [2019-11-07 01:35:34,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c10dc17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:34, skipping insertion in model container [2019-11-07 01:35:34,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:35:34" (1/1) ... [2019-11-07 01:35:34,295 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:35:34,390 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:35:34,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:35:34,981 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:35:35,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:35:35,145 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:35:35,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:35 WrapperNode [2019-11-07 01:35:35,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:35:35,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:35:35,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:35:35,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:35:35,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:35" (1/1) ... [2019-11-07 01:35:35,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:35" (1/1) ... [2019-11-07 01:35:35,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:35" (1/1) ... [2019-11-07 01:35:35,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:35" (1/1) ... [2019-11-07 01:35:35,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:35" (1/1) ... [2019-11-07 01:35:35,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:35" (1/1) ... [2019-11-07 01:35:35,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:35" (1/1) ... [2019-11-07 01:35:35,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:35:35,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:35:35,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:35:35,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:35:35,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:35" (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 [2019-11-07 01:35:35,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:35:35,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:35:35,398 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 01:35:35,399 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:35:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 01:35:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:35:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:35:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 01:35:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:35:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:35:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:35:37,418 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:35:37,418 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 01:35:37,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:35:37 BoogieIcfgContainer [2019-11-07 01:35:37,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:35:37,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:35:37,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:35:37,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:35:37,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:35:34" (1/3) ... [2019-11-07 01:35:37,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2ca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:35:37, skipping insertion in model container [2019-11-07 01:35:37,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:35" (2/3) ... [2019-11-07 01:35:37,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2ca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:35:37, skipping insertion in model container [2019-11-07 01:35:37,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:35:37" (3/3) ... [2019-11-07 01:35:37,428 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label37.c [2019-11-07 01:35:37,438 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:35:37,446 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:35:37,457 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:35:37,482 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:35:37,483 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:35:37,483 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:35:37,483 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:35:37,483 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:35:37,483 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:35:37,484 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:35:37,484 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:35:37,504 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2019-11-07 01:35:37,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-07 01:35:37,514 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:35:37,515 INFO L410 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] [2019-11-07 01:35:37,517 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:35:37,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:35:37,523 INFO L82 PathProgramCache]: Analyzing trace with hash 826786057, now seen corresponding path program 1 times [2019-11-07 01:35:37,534 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:35:37,534 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842761748] [2019-11-07 01:35:37,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:35:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:35:37,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:35:37,962 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842761748] [2019-11-07 01:35:37,963 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:35:37,964 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:35:37,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994534851] [2019-11-07 01:35:37,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:35:37,972 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:35:37,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:35:37,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:35:37,990 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 3 states. [2019-11-07 01:35:38,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:35:38,440 INFO L93 Difference]: Finished difference Result 246 states and 454 transitions. [2019-11-07 01:35:38,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:35:38,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-11-07 01:35:38,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:35:38,471 INFO L225 Difference]: With dead ends: 246 [2019-11-07 01:35:38,471 INFO L226 Difference]: Without dead ends: 157 [2019-11-07 01:35:38,479 INFO L630 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 [2019-11-07 01:35:38,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-11-07 01:35:38,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-11-07 01:35:38,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-11-07 01:35:38,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 273 transitions. [2019-11-07 01:35:38,578 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 273 transitions. Word has length 77 [2019-11-07 01:35:38,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:35:38,579 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 273 transitions. [2019-11-07 01:35:38,579 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:35:38,580 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 273 transitions. [2019-11-07 01:35:38,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-07 01:35:38,588 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:35:38,588 INFO L410 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] [2019-11-07 01:35:38,589 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:35:38,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:35:38,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1195700576, now seen corresponding path program 1 times [2019-11-07 01:35:38,590 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:35:38,590 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863513571] [2019-11-07 01:35:38,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:35:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:35:38,771 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:35:38,771 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863513571] [2019-11-07 01:35:38,771 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:35:38,772 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:35:38,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200277590] [2019-11-07 01:35:38,774 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:35:38,774 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:35:38,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:35:38,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:35:38,775 INFO L87 Difference]: Start difference. First operand 157 states and 273 transitions. Second operand 6 states. [2019-11-07 01:35:39,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:35:39,360 INFO L93 Difference]: Finished difference Result 479 states and 861 transitions. [2019-11-07 01:35:39,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:35:39,360 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2019-11-07 01:35:39,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:35:39,368 INFO L225 Difference]: With dead ends: 479 [2019-11-07 01:35:39,368 INFO L226 Difference]: Without dead ends: 327 [2019-11-07 01:35:39,373 INFO L630 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 [2019-11-07 01:35:39,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2019-11-07 01:35:39,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 315. [2019-11-07 01:35:39,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-11-07 01:35:39,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 543 transitions. [2019-11-07 01:35:39,430 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 543 transitions. Word has length 87 [2019-11-07 01:35:39,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:35:39,430 INFO L462 AbstractCegarLoop]: Abstraction has 315 states and 543 transitions. [2019-11-07 01:35:39,430 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:35:39,430 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 543 transitions. [2019-11-07 01:35:39,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-07 01:35:39,440 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:35:39,441 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2019-11-07 01:35:39,442 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:35:39,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:35:39,442 INFO L82 PathProgramCache]: Analyzing trace with hash -498235247, now seen corresponding path program 1 times [2019-11-07 01:35:39,442 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:35:39,443 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473259308] [2019-11-07 01:35:39,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:35:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:35:39,616 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:35:39,617 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473259308] [2019-11-07 01:35:39,617 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075650571] [2019-11-07 01:35:39,617 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 [2019-11-07 01:35:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:35:39,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-07 01:35:39,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:35:39,833 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-07 01:35:39,833 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:35:39,898 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-07 01:35:39,900 INFO L218 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-07 01:35:39,903 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2019-11-07 01:35:39,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720723451] [2019-11-07 01:35:39,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:35:39,906 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:35:39,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:35:39,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:35:39,907 INFO L87 Difference]: Start difference. First operand 315 states and 543 transitions. Second operand 3 states. [2019-11-07 01:35:40,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:35:40,308 INFO L93 Difference]: Finished difference Result 929 states and 1656 transitions. [2019-11-07 01:35:40,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:35:40,310 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2019-11-07 01:35:40,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:35:40,315 INFO L225 Difference]: With dead ends: 929 [2019-11-07 01:35:40,316 INFO L226 Difference]: Without dead ends: 619 [2019-11-07 01:35:40,317 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 220 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:35:40,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2019-11-07 01:35:40,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 619. [2019-11-07 01:35:40,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2019-11-07 01:35:40,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 1027 transitions. [2019-11-07 01:35:40,350 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 1027 transitions. Word has length 111 [2019-11-07 01:35:40,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:35:40,350 INFO L462 AbstractCegarLoop]: Abstraction has 619 states and 1027 transitions. [2019-11-07 01:35:40,351 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:35:40,351 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 1027 transitions. [2019-11-07 01:35:40,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-07 01:35:40,355 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:35:40,355 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:35:40,567 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:35:40,568 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:35:40,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:35:40,568 INFO L82 PathProgramCache]: Analyzing trace with hash 528959511, now seen corresponding path program 1 times [2019-11-07 01:35:40,569 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:35:40,569 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927037161] [2019-11-07 01:35:40,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:35:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:35:40,872 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:35:40,873 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927037161] [2019-11-07 01:35:40,873 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172846061] [2019-11-07 01:35:40,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:35:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:35:40,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-07 01:35:40,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:35:41,045 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:35:41,045 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:35:41,152 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:35:41,153 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1491670003] [2019-11-07 01:35:41,194 INFO L159 IcfgInterpreter]: Started Sifa with 81 locations of interest [2019-11-07 01:35:41,194 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 01:35:41,200 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 01:35:41,207 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 01:35:41,207 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 01:35:41,425 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 100 for LOIs [2019-11-07 01:35:42,976 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 138 for LOIs [2019-11-07 01:35:43,221 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-07 01:35:43,375 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-07 01:35:43,834 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-07 01:35:44,103 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-07 01:35:44,584 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-07 01:35:44,924 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-07 01:35:45,185 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-07 01:35:45,444 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-07 01:35:45,732 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:45,919 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:46,479 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:46,671 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:46,980 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:47,127 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:47,363 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:47,498 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:47,914 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:48,045 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:48,276 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:48,397 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:48,761 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:48,977 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:49,176 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:49,293 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:49,497 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:49,634 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:49,825 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:49,942 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:50,103 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:50,221 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:50,387 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:50,513 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:50,705 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:50,847 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-07 01:35:51,027 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:51,138 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:51,338 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:51,450 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:51,605 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:51,716 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:51,900 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:52,089 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:52,319 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:52,498 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:52,744 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:52,875 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:53,062 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:53,194 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:53,451 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:53,585 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:53,756 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:53,868 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:54,039 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:54,149 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:54,446 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:54,557 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:54,737 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:54,868 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:55,068 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:55,200 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:55,393 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:55,555 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:55,733 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:55,865 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:56,071 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:56,203 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:56,384 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:56,516 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-07 01:35:56,698 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-07 01:35:56,824 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-07 01:35:56,994 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-07 01:35:57,121 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-07 01:35:57,287 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-07 01:35:57,412 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-07 01:35:57,585 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-07 01:35:57,714 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-07 01:35:57,945 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-07 01:35:58,070 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-07 01:35:58,241 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-07 01:35:58,361 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-07 01:35:58,508 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-07 01:35:58,615 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-07 01:35:59,085 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-07 01:35:59,464 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-07 01:35:59,638 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-07 01:36:00,273 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-07 01:36:00,674 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-07 01:36:00,788 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-07 01:36:01,567 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-07 01:36:01,794 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-07 01:36:02,808 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-11-07 01:36:03,583 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-11-07 01:36:03,808 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-11-07 01:36:04,174 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-11-07 01:36:04,452 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-11-07 01:36:05,166 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-11-07 01:36:05,346 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-11-07 01:36:05,616 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12852 conjuctions. This might take some time... [2019-11-07 01:36:12,242 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12852 conjuctions. This might take some time...