/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_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:33:53,074 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-11-07 01:33:53,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:33:53,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:33:53,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:33:53,166 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 01:33:53,204 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:33:53,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:33:53,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:33:53,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:33:53,206 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:33:53,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:33:53,207 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:33:53,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:33:53,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:33:53,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:33:53,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:33:53,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:33:53,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:33:53,210 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:33:53,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:33:53,211 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:33:53,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:33:53,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:33:53,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:33:53,212 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:33:53,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:33:53,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:33:53,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:33:53,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:33:53,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:33:53,217 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:33:53,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:33:53,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:33:53,219 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 01:33:53,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:33:53,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:33:53,556 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:33:53,558 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:33:53,558 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:33:53,559 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2019-11-07 01:33:53,649 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e532c893/843ac91b593847a7859f07bfbb9f00d8/FLAG0470ebd4e [2019-11-07 01:33:54,234 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:33:54,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2019-11-07 01:33:54,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e532c893/843ac91b593847a7859f07bfbb9f00d8/FLAG0470ebd4e [2019-11-07 01:33:54,486 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e532c893/843ac91b593847a7859f07bfbb9f00d8 [2019-11-07 01:33:54,494 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:33:54,496 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:33:54,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:33:54,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:33:54,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:33:54,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:33:54" (1/1) ... [2019-11-07 01:33:54,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ee25852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:54, skipping insertion in model container [2019-11-07 01:33:54,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:33:54" (1/1) ... [2019-11-07 01:33:54,516 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:33:54,574 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:33:55,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:33:55,123 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:33:55,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:33:55,288 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:33:55,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:55 WrapperNode [2019-11-07 01:33:55,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:33:55,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:33:55,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:33:55,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:33:55,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:55" (1/1) ... [2019-11-07 01:33:55,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:55" (1/1) ... [2019-11-07 01:33:55,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:55" (1/1) ... [2019-11-07 01:33:55,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:55" (1/1) ... [2019-11-07 01:33:55,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:55" (1/1) ... [2019-11-07 01:33:55,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:55" (1/1) ... [2019-11-07 01:33:55,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:55" (1/1) ... [2019-11-07 01:33:55,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:33:55,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:33:55,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:33:55,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:33:55,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:55" (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 01:33:55,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:33:55,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:33:55,509 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 01:33:55,509 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:33:55,509 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 01:33:55,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:33:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:33:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 01:33:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:33:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:33:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:33:57,567 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:33:57,568 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 01:33:57,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:33:57 BoogieIcfgContainer [2019-11-07 01:33:57,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:33:57,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:33:57,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:33:57,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:33:57,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:33:54" (1/3) ... [2019-11-07 01:33:57,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec76f4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:33:57, skipping insertion in model container [2019-11-07 01:33:57,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:33:55" (2/3) ... [2019-11-07 01:33:57,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec76f4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:33:57, skipping insertion in model container [2019-11-07 01:33:57,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:33:57" (3/3) ... [2019-11-07 01:33:57,580 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label05.c [2019-11-07 01:33:57,592 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:33:57,602 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:33:57,617 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:33:57,648 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:33:57,649 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:33:57,649 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:33:57,649 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:33:57,649 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:33:57,649 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:33:57,650 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:33:57,650 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:33:57,671 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2019-11-07 01:33:57,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-07 01:33:57,682 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:33:57,683 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 01:33:57,685 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:33:57,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:33:57,691 INFO L82 PathProgramCache]: Analyzing trace with hash 826816868, now seen corresponding path program 1 times [2019-11-07 01:33:57,702 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:33:57,703 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736135902] [2019-11-07 01:33:57,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:33:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:33:58,064 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 01:33:58,065 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736135902] [2019-11-07 01:33:58,066 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:33:58,066 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:33:58,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980762059] [2019-11-07 01:33:58,072 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:33:58,073 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:33:58,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:33:58,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:33:58,089 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 3 states. [2019-11-07 01:33:58,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:33:58,582 INFO L93 Difference]: Finished difference Result 246 states and 454 transitions. [2019-11-07 01:33:58,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:33:58,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-11-07 01:33:58,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:33:58,607 INFO L225 Difference]: With dead ends: 246 [2019-11-07 01:33:58,607 INFO L226 Difference]: Without dead ends: 157 [2019-11-07 01:33:58,614 INFO L630 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 [2019-11-07 01:33:58,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-11-07 01:33:58,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-11-07 01:33:58,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-11-07 01:33:58,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 279 transitions. [2019-11-07 01:33:58,698 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 279 transitions. Word has length 77 [2019-11-07 01:33:58,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:33:58,699 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 279 transitions. [2019-11-07 01:33:58,699 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:33:58,700 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 279 transitions. [2019-11-07 01:33:58,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-07 01:33:58,704 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:33:58,705 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 01:33:58,705 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:33:58,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:33:58,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1195669765, now seen corresponding path program 1 times [2019-11-07 01:33:58,706 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:33:58,706 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914545555] [2019-11-07 01:33:58,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:33:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:33:58,863 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 01:33:58,864 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914545555] [2019-11-07 01:33:58,865 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:33:58,865 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:33:58,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25899346] [2019-11-07 01:33:58,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:33:58,868 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:33:58,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:33:58,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:33:58,869 INFO L87 Difference]: Start difference. First operand 157 states and 279 transitions. Second operand 6 states. [2019-11-07 01:33:59,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:33:59,453 INFO L93 Difference]: Finished difference Result 402 states and 725 transitions. [2019-11-07 01:33:59,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:33:59,456 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2019-11-07 01:33:59,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:33:59,462 INFO L225 Difference]: With dead ends: 402 [2019-11-07 01:33:59,462 INFO L226 Difference]: Without dead ends: 250 [2019-11-07 01:33:59,464 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 01:33:59,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-11-07 01:33:59,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 238. [2019-11-07 01:33:59,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2019-11-07 01:33:59,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 407 transitions. [2019-11-07 01:33:59,516 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 407 transitions. Word has length 87 [2019-11-07 01:33:59,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:33:59,517 INFO L462 AbstractCegarLoop]: Abstraction has 238 states and 407 transitions. [2019-11-07 01:33:59,517 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:33:59,517 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 407 transitions. [2019-11-07 01:33:59,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-07 01:33:59,522 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:33:59,523 INFO L410 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] [2019-11-07 01:33:59,523 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:33:59,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:33:59,524 INFO L82 PathProgramCache]: Analyzing trace with hash -2128691369, now seen corresponding path program 1 times [2019-11-07 01:33:59,524 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:33:59,525 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349832949] [2019-11-07 01:33:59,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:33:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:33:59,720 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:33:59,721 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349832949] [2019-11-07 01:33:59,722 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:33:59,722 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:33:59,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252260989] [2019-11-07 01:33:59,723 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:33:59,724 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:33:59,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:33:59,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:33:59,724 INFO L87 Difference]: Start difference. First operand 238 states and 407 transitions. Second operand 3 states. [2019-11-07 01:34:00,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:34:00,160 INFO L93 Difference]: Finished difference Result 700 states and 1240 transitions. [2019-11-07 01:34:00,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:34:00,163 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2019-11-07 01:34:00,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:34:00,168 INFO L225 Difference]: With dead ends: 700 [2019-11-07 01:34:00,168 INFO L226 Difference]: Without dead ends: 467 [2019-11-07 01:34:00,170 INFO L630 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 [2019-11-07 01:34:00,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2019-11-07 01:34:00,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2019-11-07 01:34:00,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2019-11-07 01:34:00,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 779 transitions. [2019-11-07 01:34:00,204 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 779 transitions. Word has length 88 [2019-11-07 01:34:00,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:34:00,205 INFO L462 AbstractCegarLoop]: Abstraction has 467 states and 779 transitions. [2019-11-07 01:34:00,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:34:00,205 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 779 transitions. [2019-11-07 01:34:00,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-07 01:34:00,211 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:34:00,211 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:34:00,211 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:34:00,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:34:00,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1130434117, now seen corresponding path program 1 times [2019-11-07 01:34:00,212 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:34:00,212 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178273226] [2019-11-07 01:34:00,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:34:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:34:00,338 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:34:00,339 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178273226] [2019-11-07 01:34:00,339 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:34:00,339 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:34:00,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709643866] [2019-11-07 01:34:00,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:34:00,340 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:34:00,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:34:00,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:34:00,341 INFO L87 Difference]: Start difference. First operand 467 states and 779 transitions. Second operand 6 states. [2019-11-07 01:34:01,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:34:01,162 INFO L93 Difference]: Finished difference Result 1289 states and 2330 transitions. [2019-11-07 01:34:01,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:34:01,163 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 102 [2019-11-07 01:34:01,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:34:01,170 INFO L225 Difference]: With dead ends: 1289 [2019-11-07 01:34:01,171 INFO L226 Difference]: Without dead ends: 827 [2019-11-07 01:34:01,173 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 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 01:34:01,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2019-11-07 01:34:01,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 799. [2019-11-07 01:34:01,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 799 states. [2019-11-07 01:34:01,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1251 transitions. [2019-11-07 01:34:01,229 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1251 transitions. Word has length 102 [2019-11-07 01:34:01,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:34:01,230 INFO L462 AbstractCegarLoop]: Abstraction has 799 states and 1251 transitions. [2019-11-07 01:34:01,230 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:34:01,230 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1251 transitions. [2019-11-07 01:34:01,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-07 01:34:01,238 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:34:01,239 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:34:01,239 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:34:01,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:34:01,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1060653532, now seen corresponding path program 1 times [2019-11-07 01:34:01,240 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:34:01,240 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456683547] [2019-11-07 01:34:01,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:34:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:34:01,325 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:34:01,326 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456683547] [2019-11-07 01:34:01,326 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132969756] [2019-11-07 01:34:01,326 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 01:34:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:34:01,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-07 01:34:01,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:34:01,508 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:34:01,508 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:34:01,611 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:34:01,612 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [734087853] [2019-11-07 01:34:01,658 INFO L159 IcfgInterpreter]: Started Sifa with 81 locations of interest [2019-11-07 01:34:01,658 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 01:34:01,667 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 01:34:01,680 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 01:34:01,681 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 01:34:01,898 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 98 for LOIs [2019-11-07 01:34:03,275 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 141 for LOIs [2019-11-07 01:34:03,495 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-11-07 01:34:03,630 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-11-07 01:34:03,894 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 143 [2019-11-07 01:34:04,056 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-11-07 01:34:04,371 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-07 01:34:04,587 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-07 01:34:04,782 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-07 01:34:04,960 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-07 01:34:05,149 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-07 01:34:05,740 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 148 [2019-11-07 01:34:05,890 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-07 01:34:06,108 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 148 [2019-11-07 01:34:06,321 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-07 01:34:06,519 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-07 01:34:06,632 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-07 01:34:07,118 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 148 [2019-11-07 01:34:07,280 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-07 01:34:07,446 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 148 [2019-11-07 01:34:07,812 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 148 [2019-11-07 01:34:08,064 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 148 [2019-11-07 01:34:08,332 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 148 [2019-11-07 01:34:08,620 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 148 [2019-11-07 01:34:08,892 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 148 [2019-11-07 01:34:09,372 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 148 [2019-11-07 01:34:09,512 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-07 01:34:09,836 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 147 [2019-11-07 01:34:10,088 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 147 [2019-11-07 01:34:10,699 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 147 [2019-11-07 01:34:10,807 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-07 01:34:11,356 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 147 [2019-11-07 01:34:11,884 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 147 [2019-11-07 01:34:13,602 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 147 [2019-11-07 01:34:15,717 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-07 01:34:15,954 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 145 [2019-11-07 01:34:16,076 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-07 01:34:16,380 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 145 [2019-11-07 01:34:16,500 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-07 01:34:16,681 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 145 [2019-11-07 01:34:16,809 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-07 01:34:17,955 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 145 [2019-11-07 01:34:18,074 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-07 01:34:18,238 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-07 01:34:18,344 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-07 01:34:18,498 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 145 [2019-11-07 01:34:18,600 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-07 01:34:18,758 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-11-07 01:34:18,872 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-11-07 01:34:19,057 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2019-11-07 01:34:19,190 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-11-07 01:34:19,964 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2019-11-07 01:34:20,074 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-11-07 01:34:20,551 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 24 [2019-11-07 01:34:26,742 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 367812 conjuctions. This might take some time...