/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_label50.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:36:32,152 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2019-11-07 01:36:32,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:36:32,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:36:32,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:36:32,232 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 01:36:32,251 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:36:32,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:36:32,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:36:32,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:36:32,253 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:36:32,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:36:32,258 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:36:32,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:36:32,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:36:32,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:36:32,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:36:32,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:36:32,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:36:32,259 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:36:32,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:36:32,260 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:36:32,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:36:32,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:36:32,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:36:32,261 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:36:32,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:36:32,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:36:32,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:36:32,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:36:32,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:36:32,262 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:36:32,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:36:32,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:36:32,263 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 01:36:32,544 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:36:32,565 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:36:32,568 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:36:32,569 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:36:32,570 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:36:32,570 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label50.c [2019-11-07 01:36:32,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b8e7dba8/ee15e589894e44b291ce48c9e88761f0/FLAGd27f6525b [2019-11-07 01:36:33,157 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:36:33,157 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label50.c [2019-11-07 01:36:33,169 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b8e7dba8/ee15e589894e44b291ce48c9e88761f0/FLAGd27f6525b [2019-11-07 01:36:33,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b8e7dba8/ee15e589894e44b291ce48c9e88761f0 [2019-11-07 01:36:33,484 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:36:33,488 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:36:33,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:36:33,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:36:33,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:36:33,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:36:33" (1/1) ... [2019-11-07 01:36:33,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bcc3485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:33, skipping insertion in model container [2019-11-07 01:36:33,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:36:33" (1/1) ... [2019-11-07 01:36:33,506 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:36:33,565 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:36:34,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:36:34,142 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:36:34,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:36:34,349 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:36:34,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:34 WrapperNode [2019-11-07 01:36:34,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:36:34,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:36:34,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:36:34,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:36:34,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:34" (1/1) ... [2019-11-07 01:36:34,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:34" (1/1) ... [2019-11-07 01:36:34,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:34" (1/1) ... [2019-11-07 01:36:34,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:34" (1/1) ... [2019-11-07 01:36:34,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:34" (1/1) ... [2019-11-07 01:36:34,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:34" (1/1) ... [2019-11-07 01:36:34,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:34" (1/1) ... [2019-11-07 01:36:34,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:36:34,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:36:34,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:36:34,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:36:34,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:34" (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 01:36:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:36:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:36:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 01:36:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:36:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 01:36:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:36:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:36:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 01:36:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:36:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:36:34,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:36:36,527 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:36:36,527 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 01:36:36,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:36:36 BoogieIcfgContainer [2019-11-07 01:36:36,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:36:36,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:36:36,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:36:36,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:36:36,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:36:33" (1/3) ... [2019-11-07 01:36:36,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364a535e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:36:36, skipping insertion in model container [2019-11-07 01:36:36,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:34" (2/3) ... [2019-11-07 01:36:36,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364a535e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:36:36, skipping insertion in model container [2019-11-07 01:36:36,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:36:36" (3/3) ... [2019-11-07 01:36:36,538 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label50.c [2019-11-07 01:36:36,547 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:36:36,556 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:36:36,567 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:36:36,598 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:36:36,598 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:36:36,599 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:36:36,599 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:36:36,599 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:36:36,599 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:36:36,599 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:36:36,599 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:36:36,621 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2019-11-07 01:36:36,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-07 01:36:36,630 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:36:36,632 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 01:36:36,634 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:36:36,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:36:36,638 INFO L82 PathProgramCache]: Analyzing trace with hash -282027157, now seen corresponding path program 1 times [2019-11-07 01:36:36,648 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:36:36,648 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020974052] [2019-11-07 01:36:36,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:36:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:36:37,068 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 01:36:37,069 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020974052] [2019-11-07 01:36:37,070 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:36:37,070 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:36:37,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089188869] [2019-11-07 01:36:37,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:36:37,079 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:36:37,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:36:37,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:36:37,098 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 3 states. [2019-11-07 01:36:37,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:36:37,614 INFO L93 Difference]: Finished difference Result 246 states and 454 transitions. [2019-11-07 01:36:37,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:36:37,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-11-07 01:36:37,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:36:37,639 INFO L225 Difference]: With dead ends: 246 [2019-11-07 01:36:37,639 INFO L226 Difference]: Without dead ends: 157 [2019-11-07 01:36:37,645 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 01:36:37,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-11-07 01:36:37,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-11-07 01:36:37,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-11-07 01:36:37,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 279 transitions. [2019-11-07 01:36:37,754 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 279 transitions. Word has length 77 [2019-11-07 01:36:37,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:36:37,756 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 279 transitions. [2019-11-07 01:36:37,756 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:36:37,756 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 279 transitions. [2019-11-07 01:36:37,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-07 01:36:37,764 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:36:37,764 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 01:36:37,765 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:36:37,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:36:37,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1931072450, now seen corresponding path program 1 times [2019-11-07 01:36:37,765 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:36:37,766 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560693045] [2019-11-07 01:36:37,766 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:36:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:36:37,918 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 01:36:37,918 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560693045] [2019-11-07 01:36:37,919 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:36:37,919 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:36:37,919 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404690970] [2019-11-07 01:36:37,943 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:36:37,944 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:36:37,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:36:37,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:36:37,944 INFO L87 Difference]: Start difference. First operand 157 states and 279 transitions. Second operand 6 states. [2019-11-07 01:36:38,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:36:38,461 INFO L93 Difference]: Finished difference Result 402 states and 725 transitions. [2019-11-07 01:36:38,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:36:38,462 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2019-11-07 01:36:38,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:36:38,466 INFO L225 Difference]: With dead ends: 402 [2019-11-07 01:36:38,466 INFO L226 Difference]: Without dead ends: 250 [2019-11-07 01:36:38,468 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 01:36:38,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-11-07 01:36:38,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 238. [2019-11-07 01:36:38,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2019-11-07 01:36:38,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 407 transitions. [2019-11-07 01:36:38,490 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 407 transitions. Word has length 87 [2019-11-07 01:36:38,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:36:38,490 INFO L462 AbstractCegarLoop]: Abstraction has 238 states and 407 transitions. [2019-11-07 01:36:38,491 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:36:38,491 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 407 transitions. [2019-11-07 01:36:38,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-07 01:36:38,493 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:36:38,494 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 01:36:38,494 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:36:38,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:36:38,494 INFO L82 PathProgramCache]: Analyzing trace with hash 311901564, now seen corresponding path program 1 times [2019-11-07 01:36:38,495 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:36:38,495 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70845527] [2019-11-07 01:36:38,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:36:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:36:38,628 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 01:36:38,628 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70845527] [2019-11-07 01:36:38,629 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:36:38,629 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:36:38,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478259035] [2019-11-07 01:36:38,630 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:36:38,631 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:36:38,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:36:38,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:36:38,632 INFO L87 Difference]: Start difference. First operand 238 states and 407 transitions. Second operand 3 states. [2019-11-07 01:36:39,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:36:39,097 INFO L93 Difference]: Finished difference Result 700 states and 1240 transitions. [2019-11-07 01:36:39,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:36:39,098 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2019-11-07 01:36:39,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:36:39,103 INFO L225 Difference]: With dead ends: 700 [2019-11-07 01:36:39,103 INFO L226 Difference]: Without dead ends: 467 [2019-11-07 01:36:39,105 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 01:36:39,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2019-11-07 01:36:39,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2019-11-07 01:36:39,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2019-11-07 01:36:39,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 799 transitions. [2019-11-07 01:36:39,160 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 799 transitions. Word has length 88 [2019-11-07 01:36:39,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:36:39,161 INFO L462 AbstractCegarLoop]: Abstraction has 467 states and 799 transitions. [2019-11-07 01:36:39,161 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:36:39,161 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 799 transitions. [2019-11-07 01:36:39,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-07 01:36:39,170 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:36:39,170 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:36:39,170 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:36:39,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:36:39,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1021517488, now seen corresponding path program 1 times [2019-11-07 01:36:39,171 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:36:39,171 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135897030] [2019-11-07 01:36:39,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:36:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:36:39,385 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:36:39,386 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135897030] [2019-11-07 01:36:39,386 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:36:39,386 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:36:39,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017389390] [2019-11-07 01:36:39,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:36:39,387 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 01:36:39,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:36:39,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:36:39,388 INFO L87 Difference]: Start difference. First operand 467 states and 799 transitions. Second operand 7 states. [2019-11-07 01:36:40,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:36:40,248 INFO L93 Difference]: Finished difference Result 1222 states and 2241 transitions. [2019-11-07 01:36:40,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-07 01:36:40,249 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 94 [2019-11-07 01:36:40,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:36:40,256 INFO L225 Difference]: With dead ends: 1222 [2019-11-07 01:36:40,257 INFO L226 Difference]: Without dead ends: 760 [2019-11-07 01:36:40,259 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-11-07 01:36:40,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2019-11-07 01:36:40,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 649. [2019-11-07 01:36:40,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2019-11-07 01:36:40,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 1028 transitions. [2019-11-07 01:36:40,322 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 1028 transitions. Word has length 94 [2019-11-07 01:36:40,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:36:40,322 INFO L462 AbstractCegarLoop]: Abstraction has 649 states and 1028 transitions. [2019-11-07 01:36:40,322 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:36:40,322 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 1028 transitions. [2019-11-07 01:36:40,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-07 01:36:40,327 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:36:40,327 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:36:40,327 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:36:40,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:36:40,328 INFO L82 PathProgramCache]: Analyzing trace with hash -251346753, now seen corresponding path program 1 times [2019-11-07 01:36:40,328 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 01:36:40,328 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882649881] [2019-11-07 01:36:40,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:36:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:36:40,453 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:36:40,454 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882649881] [2019-11-07 01:36:40,454 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406620443] [2019-11-07 01:36:40,455 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 01:36:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:36:40,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-07 01:36:40,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:36:40,712 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:36:40,713 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:36:40,950 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2019-11-07 01:36:41,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:36:41,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:36:41,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:36:41,030 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:36:41,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:36:41,033 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:36:41,034 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:36:41,203 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:36:41,203 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [346679888] [2019-11-07 01:36:41,242 INFO L159 IcfgInterpreter]: Started Sifa with 81 locations of interest [2019-11-07 01:36:41,242 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 01:36:41,249 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 01:36:41,257 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 01:36:41,258 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 01:36:41,423 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 98 for LOIs [2019-11-07 01:36:42,232 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 185 [2019-11-07 01:36:42,705 INFO L197 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 140 for LOIs [2019-11-07 01:36:43,080 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-07 01:36:43,294 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-07 01:36:43,753 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-07 01:36:44,018 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-07 01:36:44,493 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-07 01:36:44,856 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-07 01:36:45,349 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-07 01:36:45,677 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-07 01:36:46,259 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:46,516 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:47,734 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:48,025 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:48,399 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:48,661 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:49,130 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:49,561 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:50,309 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:50,544 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:50,887 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:51,273 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:51,597 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:51,882 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:52,816 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:53,062 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:53,560 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:53,806 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:54,181 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:54,463 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:54,824 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:55,201 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:55,630 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:55,905 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:56,272 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:56,548 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:56,983 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:57,453 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-07 01:36:58,204 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:36:58,688 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:36:59,492 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:00,013 WARN L191 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:00,674 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:01,069 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:01,490 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:01,927 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:02,575 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:03,076 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:03,681 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:03,920 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:04,244 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:04,483 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:04,867 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:05,110 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:05,463 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:05,700 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:06,059 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:06,322 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:07,004 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:07,239 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:07,582 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:07,818 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:08,168 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:08,408 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:08,820 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:09,298 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:09,931 WARN L191 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:10,418 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:11,097 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:11,605 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:12,072 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:12,528 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-07 01:37:12,980 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-07 01:37:13,212 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-07 01:37:13,588 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-07 01:37:13,821 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-07 01:37:14,137 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-07 01:37:14,380 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-07 01:37:14,729 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 171