/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 22:55:34,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 22:55:34,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 22:55:34,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 22:55:34,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 22:55:34,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 22:55:34,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 22:55:34,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 22:55:34,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 22:55:34,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 22:55:34,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 22:55:34,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 22:55:34,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 22:55:34,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 22:55:34,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 22:55:34,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 22:55:34,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 22:55:34,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 22:55:34,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 22:55:34,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 22:55:34,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 22:55:34,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 22:55:34,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 22:55:34,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 22:55:34,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 22:55:34,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 22:55:34,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 22:55:34,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 22:55:34,196 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 22:55:34,229 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 22:55:34,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 22:55:34,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 22:55:34,231 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 22:55:34,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 22:55:34,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 22:55:34,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 22:55:34,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 22:55:34,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 22:55:34,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 22:55:34,232 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 22:55:34,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 22:55:34,237 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 22:55:34,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 22:55:34,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 22:55:34,237 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 22:55:34,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 22:55:34,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 22:55:34,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 22:55:34,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 22:55:34,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 22:55:34,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 22:55:34,239 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-09-04 22:55:34,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 22:55:34,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 22:55:34,718 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 22:55:34,720 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 22:55:34,721 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 22:55:34,722 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label52.c [2020-09-04 22:55:34,799 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9eb083506/e85fa517e35049ddac49d70399e9b268/FLAGa4b5dd853 [2020-09-04 22:55:35,436 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 22:55:35,437 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label52.c [2020-09-04 22:55:35,454 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9eb083506/e85fa517e35049ddac49d70399e9b268/FLAGa4b5dd853 [2020-09-04 22:55:35,648 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9eb083506/e85fa517e35049ddac49d70399e9b268 [2020-09-04 22:55:35,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 22:55:35,665 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 22:55:35,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 22:55:35,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 22:55:35,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 22:55:35,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:55:35" (1/1) ... [2020-09-04 22:55:35,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611b9532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:55:35, skipping insertion in model container [2020-09-04 22:55:35,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:55:35" (1/1) ... [2020-09-04 22:55:35,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 22:55:35,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 22:55:36,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 22:55:36,215 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 22:55:36,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 22:55:36,489 INFO L208 MainTranslator]: Completed translation [2020-09-04 22:55:36,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:55:36 WrapperNode [2020-09-04 22:55:36,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 22:55:36,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 22:55:36,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 22:55:36,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 22:55:36,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:55:36" (1/1) ... [2020-09-04 22:55:36,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:55:36" (1/1) ... [2020-09-04 22:55:36,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:55:36" (1/1) ... [2020-09-04 22:55:36,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:55:36" (1/1) ... [2020-09-04 22:55:36,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:55:36" (1/1) ... [2020-09-04 22:55:36,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:55:36" (1/1) ... [2020-09-04 22:55:36,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:55:36" (1/1) ... [2020-09-04 22:55:36,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 22:55:36,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 22:55:36,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 22:55:36,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 22:55:36,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:55:36" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 22:55:36,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 22:55:36,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 22:55:36,745 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-04 22:55:36,745 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 22:55:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-04 22:55:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 22:55:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 22:55:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 22:55:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 22:55:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 22:55:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 22:55:38,233 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 22:55:38,234 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 22:55:38,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:55:38 BoogieIcfgContainer [2020-09-04 22:55:38,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 22:55:38,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 22:55:38,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 22:55:38,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 22:55:38,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 10:55:35" (1/3) ... [2020-09-04 22:55:38,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc6c648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:55:38, skipping insertion in model container [2020-09-04 22:55:38,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:55:36" (2/3) ... [2020-09-04 22:55:38,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fc6c648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:55:38, skipping insertion in model container [2020-09-04 22:55:38,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:55:38" (3/3) ... [2020-09-04 22:55:38,252 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label52.c [2020-09-04 22:55:38,264 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 22:55:38,274 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 22:55:38,297 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 22:55:38,325 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 22:55:38,326 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 22:55:38,326 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 22:55:38,326 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 22:55:38,326 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 22:55:38,326 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 22:55:38,327 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 22:55:38,327 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 22:55:38,353 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states. [2020-09-04 22:55:38,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-04 22:55:38,368 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:55:38,370 INFO L422 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] [2020-09-04 22:55:38,370 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:55:38,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:55:38,378 INFO L82 PathProgramCache]: Analyzing trace with hash 963589103, now seen corresponding path program 1 times [2020-09-04 22:55:38,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:55:38,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271834678] [2020-09-04 22:55:38,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:55:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:55:38,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:55:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:55:38,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 22:55:38,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [271834678] [2020-09-04 22:55:38,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 22:55:38,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 22:55:38,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728683172] [2020-09-04 22:55:38,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 22:55:38,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:55:38,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 22:55:38,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 22:55:38,853 INFO L87 Difference]: Start difference. First operand 456 states. Second operand 5 states. [2020-09-04 22:55:41,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:55:41,554 INFO L93 Difference]: Finished difference Result 1226 states and 1797 transitions. [2020-09-04 22:55:41,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 22:55:41,556 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-04 22:55:41,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:55:41,582 INFO L225 Difference]: With dead ends: 1226 [2020-09-04 22:55:41,582 INFO L226 Difference]: Without dead ends: 707 [2020-09-04 22:55:41,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 22:55:41,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2020-09-04 22:55:41,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 695. [2020-09-04 22:55:41,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2020-09-04 22:55:41,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 926 transitions. [2020-09-04 22:55:41,760 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 926 transitions. Word has length 60 [2020-09-04 22:55:41,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:55:41,761 INFO L479 AbstractCegarLoop]: Abstraction has 695 states and 926 transitions. [2020-09-04 22:55:41,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 22:55:41,762 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 926 transitions. [2020-09-04 22:55:41,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-04 22:55:41,771 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:55:41,772 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:55:41,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 22:55:41,772 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:55:41,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:55:41,773 INFO L82 PathProgramCache]: Analyzing trace with hash 455761352, now seen corresponding path program 1 times [2020-09-04 22:55:41,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:55:41,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [146850914] [2020-09-04 22:55:41,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:55:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:55:41,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:55:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:55:41,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:55:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:55:42,087 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 22:55:42,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [146850914] [2020-09-04 22:55:42,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 22:55:42,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 22:55:42,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59557400] [2020-09-04 22:55:42,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 22:55:42,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:55:42,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 22:55:42,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 22:55:42,092 INFO L87 Difference]: Start difference. First operand 695 states and 926 transitions. Second operand 8 states. [2020-09-04 22:55:44,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:55:44,539 INFO L93 Difference]: Finished difference Result 1559 states and 2130 transitions. [2020-09-04 22:55:44,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-04 22:55:44,540 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 143 [2020-09-04 22:55:44,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:55:44,551 INFO L225 Difference]: With dead ends: 1559 [2020-09-04 22:55:44,551 INFO L226 Difference]: Without dead ends: 879 [2020-09-04 22:55:44,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-09-04 22:55:44,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2020-09-04 22:55:44,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 853. [2020-09-04 22:55:44,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 853 states. [2020-09-04 22:55:44,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1090 transitions. [2020-09-04 22:55:44,651 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1090 transitions. Word has length 143 [2020-09-04 22:55:44,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:55:44,652 INFO L479 AbstractCegarLoop]: Abstraction has 853 states and 1090 transitions. [2020-09-04 22:55:44,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 22:55:44,652 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1090 transitions. [2020-09-04 22:55:44,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-04 22:55:44,657 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:55:44,658 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:55:44,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 22:55:44,658 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:55:44,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:55:44,659 INFO L82 PathProgramCache]: Analyzing trace with hash -273743075, now seen corresponding path program 1 times [2020-09-04 22:55:44,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:55:44,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [440736078] [2020-09-04 22:55:44,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:55:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:55:44,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:55:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:55:44,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:55:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:55:45,007 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 22:55:45,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [440736078] [2020-09-04 22:55:45,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:55:45,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-04 22:55:45,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897905898] [2020-09-04 22:55:45,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 22:55:45,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:55:45,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 22:55:45,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 22:55:45,010 INFO L87 Difference]: Start difference. First operand 853 states and 1090 transitions. Second operand 8 states. [2020-09-04 22:55:48,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:55:48,586 INFO L93 Difference]: Finished difference Result 2976 states and 4114 transitions. [2020-09-04 22:55:48,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 22:55:48,590 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 149 [2020-09-04 22:55:48,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:55:48,623 INFO L225 Difference]: With dead ends: 2976 [2020-09-04 22:55:48,624 INFO L226 Difference]: Without dead ends: 2138 [2020-09-04 22:55:48,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-09-04 22:55:48,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2020-09-04 22:55:48,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 1839. [2020-09-04 22:55:48,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1839 states. [2020-09-04 22:55:48,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1839 states and 2431 transitions. [2020-09-04 22:55:48,938 INFO L78 Accepts]: Start accepts. Automaton has 1839 states and 2431 transitions. Word has length 149 [2020-09-04 22:55:48,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:55:48,938 INFO L479 AbstractCegarLoop]: Abstraction has 1839 states and 2431 transitions. [2020-09-04 22:55:48,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 22:55:48,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2431 transitions. [2020-09-04 22:55:48,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-09-04 22:55:48,942 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:55:48,943 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:55:48,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 22:55:48,943 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:55:48,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:55:48,944 INFO L82 PathProgramCache]: Analyzing trace with hash 317674677, now seen corresponding path program 1 times [2020-09-04 22:55:48,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:55:48,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1783476832] [2020-09-04 22:55:48,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:55:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:55:49,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:55:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:55:49,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:55:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:55:49,202 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 22:55:49,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1783476832] [2020-09-04 22:55:49,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 22:55:49,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 22:55:49,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126455284] [2020-09-04 22:55:49,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 22:55:49,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:55:49,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 22:55:49,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 22:55:49,206 INFO L87 Difference]: Start difference. First operand 1839 states and 2431 transitions. Second operand 7 states. [2020-09-04 22:55:51,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:55:51,726 INFO L93 Difference]: Finished difference Result 4383 states and 5915 transitions. [2020-09-04 22:55:51,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-04 22:55:51,727 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 158 [2020-09-04 22:55:51,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:55:51,748 INFO L225 Difference]: With dead ends: 4383 [2020-09-04 22:55:51,749 INFO L226 Difference]: Without dead ends: 2559 [2020-09-04 22:55:51,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-04 22:55:51,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2559 states. [2020-09-04 22:55:52,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2559 to 2194. [2020-09-04 22:55:52,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2194 states. [2020-09-04 22:55:52,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 2194 states and 2942 transitions. [2020-09-04 22:55:52,033 INFO L78 Accepts]: Start accepts. Automaton has 2194 states and 2942 transitions. Word has length 158 [2020-09-04 22:55:52,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:55:52,033 INFO L479 AbstractCegarLoop]: Abstraction has 2194 states and 2942 transitions. [2020-09-04 22:55:52,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 22:55:52,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2194 states and 2942 transitions. [2020-09-04 22:55:52,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-09-04 22:55:52,037 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:55:52,037 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:55:52,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 22:55:52,038 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:55:52,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:55:52,038 INFO L82 PathProgramCache]: Analyzing trace with hash 2123062271, now seen corresponding path program 1 times [2020-09-04 22:55:52,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:55:52,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [806578258] [2020-09-04 22:55:52,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:55:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:55:52,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:55:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:55:52,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:55:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:55:52,338 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 22:55:52,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [806578258] [2020-09-04 22:55:52,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 22:55:52,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 22:55:52,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549903310] [2020-09-04 22:55:52,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 22:55:52,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:55:52,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 22:55:52,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 22:55:52,342 INFO L87 Difference]: Start difference. First operand 2194 states and 2942 transitions. Second operand 8 states. [2020-09-04 22:55:55,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:55:55,790 INFO L93 Difference]: Finished difference Result 6113 states and 8521 transitions. [2020-09-04 22:55:55,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-04 22:55:55,791 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 182 [2020-09-04 22:55:55,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:55:55,822 INFO L225 Difference]: With dead ends: 6113 [2020-09-04 22:55:55,822 INFO L226 Difference]: Without dead ends: 4084 [2020-09-04 22:55:55,833 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-09-04 22:55:55,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4084 states. [2020-09-04 22:55:56,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4084 to 3730. [2020-09-04 22:55:56,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3730 states. [2020-09-04 22:55:56,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3730 states to 3730 states and 4885 transitions. [2020-09-04 22:55:56,230 INFO L78 Accepts]: Start accepts. Automaton has 3730 states and 4885 transitions. Word has length 182 [2020-09-04 22:55:56,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:55:56,230 INFO L479 AbstractCegarLoop]: Abstraction has 3730 states and 4885 transitions. [2020-09-04 22:55:56,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 22:55:56,231 INFO L276 IsEmpty]: Start isEmpty. Operand 3730 states and 4885 transitions. [2020-09-04 22:55:56,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-09-04 22:55:56,238 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:55:56,239 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:55:56,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 22:55:56,239 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:55:56,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:55:56,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1717334707, now seen corresponding path program 1 times [2020-09-04 22:55:56,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:55:56,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1800385320] [2020-09-04 22:55:56,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:55:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:55:56,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:55:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:55:56,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:55:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:55:56,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 22:55:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:55:56,662 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 154 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 22:55:56,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1800385320] [2020-09-04 22:55:56,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:55:56,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-04 22:55:56,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226374615] [2020-09-04 22:55:56,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 22:55:56,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:55:56,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 22:55:56,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-04 22:55:56,667 INFO L87 Difference]: Start difference. First operand 3730 states and 4885 transitions. Second operand 10 states. [2020-09-04 22:56:01,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:56:01,788 INFO L93 Difference]: Finished difference Result 9025 states and 11855 transitions. [2020-09-04 22:56:01,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-04 22:56:01,792 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 228 [2020-09-04 22:56:01,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:56:01,833 INFO L225 Difference]: With dead ends: 9025 [2020-09-04 22:56:01,833 INFO L226 Difference]: Without dead ends: 5460 [2020-09-04 22:56:01,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2020-09-04 22:56:01,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5460 states. [2020-09-04 22:56:02,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5460 to 4544. [2020-09-04 22:56:02,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4544 states. [2020-09-04 22:56:02,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4544 states to 4544 states and 5649 transitions. [2020-09-04 22:56:02,460 INFO L78 Accepts]: Start accepts. Automaton has 4544 states and 5649 transitions. Word has length 228 [2020-09-04 22:56:02,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:56:02,462 INFO L479 AbstractCegarLoop]: Abstraction has 4544 states and 5649 transitions. [2020-09-04 22:56:02,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 22:56:02,462 INFO L276 IsEmpty]: Start isEmpty. Operand 4544 states and 5649 transitions. [2020-09-04 22:56:02,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-09-04 22:56:02,473 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:56:02,473 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:56:02,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 22:56:02,474 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:56:02,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:56:02,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1155493918, now seen corresponding path program 1 times [2020-09-04 22:56:02,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:56:02,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [247743099] [2020-09-04 22:56:02,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:56:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:02,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:56:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:02,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:56:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:02,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-04 22:56:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:02,833 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 88 proven. 85 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-04 22:56:02,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [247743099] [2020-09-04 22:56:02,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:56:02,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-04 22:56:02,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87295423] [2020-09-04 22:56:02,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 22:56:02,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:56:02,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 22:56:02,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 22:56:02,837 INFO L87 Difference]: Start difference. First operand 4544 states and 5649 transitions. Second operand 7 states. [2020-09-04 22:56:04,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:56:04,859 INFO L93 Difference]: Finished difference Result 8950 states and 11201 transitions. [2020-09-04 22:56:04,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-04 22:56:04,864 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 263 [2020-09-04 22:56:04,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:56:04,896 INFO L225 Difference]: With dead ends: 8950 [2020-09-04 22:56:04,896 INFO L226 Difference]: Without dead ends: 4571 [2020-09-04 22:56:04,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-09-04 22:56:04,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4571 states. [2020-09-04 22:56:05,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4571 to 4556. [2020-09-04 22:56:05,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4556 states. [2020-09-04 22:56:05,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4556 states to 4556 states and 5665 transitions. [2020-09-04 22:56:05,505 INFO L78 Accepts]: Start accepts. Automaton has 4556 states and 5665 transitions. Word has length 263 [2020-09-04 22:56:05,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:56:05,505 INFO L479 AbstractCegarLoop]: Abstraction has 4556 states and 5665 transitions. [2020-09-04 22:56:05,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 22:56:05,505 INFO L276 IsEmpty]: Start isEmpty. Operand 4556 states and 5665 transitions. [2020-09-04 22:56:05,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-09-04 22:56:05,519 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:56:05,519 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:56:05,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 22:56:05,519 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:56:05,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:56:05,520 INFO L82 PathProgramCache]: Analyzing trace with hash -221730978, now seen corresponding path program 1 times [2020-09-04 22:56:05,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:56:05,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [554271406] [2020-09-04 22:56:05,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:56:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:05,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:56:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:05,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:56:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:05,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 22:56:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:05,919 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 161 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 22:56:05,920 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [554271406] [2020-09-04 22:56:05,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:56:05,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-04 22:56:05,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739997677] [2020-09-04 22:56:05,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 22:56:05,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:56:05,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 22:56:05,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 22:56:05,922 INFO L87 Difference]: Start difference. First operand 4556 states and 5665 transitions. Second operand 7 states. [2020-09-04 22:56:08,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:56:08,324 INFO L93 Difference]: Finished difference Result 9137 states and 11418 transitions. [2020-09-04 22:56:08,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 22:56:08,325 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 291 [2020-09-04 22:56:08,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:56:08,350 INFO L225 Difference]: With dead ends: 9137 [2020-09-04 22:56:08,350 INFO L226 Difference]: Without dead ends: 4746 [2020-09-04 22:56:08,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-04 22:56:08,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4746 states. [2020-09-04 22:56:08,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4746 to 4268. [2020-09-04 22:56:08,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4268 states. [2020-09-04 22:56:08,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4268 states to 4268 states and 5206 transitions. [2020-09-04 22:56:08,698 INFO L78 Accepts]: Start accepts. Automaton has 4268 states and 5206 transitions. Word has length 291 [2020-09-04 22:56:08,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:56:08,699 INFO L479 AbstractCegarLoop]: Abstraction has 4268 states and 5206 transitions. [2020-09-04 22:56:08,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 22:56:08,699 INFO L276 IsEmpty]: Start isEmpty. Operand 4268 states and 5206 transitions. [2020-09-04 22:56:08,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-09-04 22:56:08,709 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:56:08,710 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:56:08,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 22:56:08,710 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:56:08,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:56:08,711 INFO L82 PathProgramCache]: Analyzing trace with hash 725255337, now seen corresponding path program 1 times [2020-09-04 22:56:08,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:56:08,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1995005382] [2020-09-04 22:56:08,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:56:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:08,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:56:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:08,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:56:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:08,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-04 22:56:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:09,287 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 163 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 22:56:09,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1995005382] [2020-09-04 22:56:09,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:56:09,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-04 22:56:09,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319111393] [2020-09-04 22:56:09,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 22:56:09,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:56:09,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 22:56:09,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-09-04 22:56:09,291 INFO L87 Difference]: Start difference. First operand 4268 states and 5206 transitions. Second operand 11 states. [2020-09-04 22:56:14,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:56:14,041 INFO L93 Difference]: Finished difference Result 10487 states and 12914 transitions. [2020-09-04 22:56:14,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 22:56:14,042 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 300 [2020-09-04 22:56:14,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:56:14,067 INFO L225 Difference]: With dead ends: 10487 [2020-09-04 22:56:14,068 INFO L226 Difference]: Without dead ends: 4621 [2020-09-04 22:56:14,085 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=93, Invalid=327, Unknown=0, NotChecked=0, Total=420 [2020-09-04 22:56:14,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4621 states. [2020-09-04 22:56:14,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4621 to 3410. [2020-09-04 22:56:14,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3410 states. [2020-09-04 22:56:14,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3410 states to 3410 states and 3814 transitions. [2020-09-04 22:56:14,583 INFO L78 Accepts]: Start accepts. Automaton has 3410 states and 3814 transitions. Word has length 300 [2020-09-04 22:56:14,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:56:14,584 INFO L479 AbstractCegarLoop]: Abstraction has 3410 states and 3814 transitions. [2020-09-04 22:56:14,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 22:56:14,584 INFO L276 IsEmpty]: Start isEmpty. Operand 3410 states and 3814 transitions. [2020-09-04 22:56:14,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-09-04 22:56:14,592 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:56:14,593 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 22:56:14,593 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 22:56:14,593 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:56:14,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:56:14,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1362277093, now seen corresponding path program 1 times [2020-09-04 22:56:14,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:56:14,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872834727] [2020-09-04 22:56:14,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:56:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:15,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:56:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:15,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:56:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:15,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-04 22:56:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:15,268 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 181 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 22:56:15,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872834727] [2020-09-04 22:56:15,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:56:15,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-04 22:56:15,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728240358] [2020-09-04 22:56:15,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 22:56:15,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:56:15,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 22:56:15,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 22:56:15,271 INFO L87 Difference]: Start difference. First operand 3410 states and 3814 transitions. Second operand 7 states. [2020-09-04 22:56:17,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:56:17,565 INFO L93 Difference]: Finished difference Result 8078 states and 9155 transitions. [2020-09-04 22:56:17,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-04 22:56:17,565 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 304 [2020-09-04 22:56:17,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:56:17,591 INFO L225 Difference]: With dead ends: 8078 [2020-09-04 22:56:17,592 INFO L226 Difference]: Without dead ends: 4838 [2020-09-04 22:56:17,601 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-04 22:56:17,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4838 states. [2020-09-04 22:56:18,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4838 to 4341. [2020-09-04 22:56:18,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4341 states. [2020-09-04 22:56:18,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4341 states to 4341 states and 4930 transitions. [2020-09-04 22:56:18,067 INFO L78 Accepts]: Start accepts. Automaton has 4341 states and 4930 transitions. Word has length 304 [2020-09-04 22:56:18,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:56:18,067 INFO L479 AbstractCegarLoop]: Abstraction has 4341 states and 4930 transitions. [2020-09-04 22:56:18,067 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 22:56:18,067 INFO L276 IsEmpty]: Start isEmpty. Operand 4341 states and 4930 transitions. [2020-09-04 22:56:18,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-09-04 22:56:18,075 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:56:18,075 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-04 22:56:18,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 22:56:18,075 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:56:18,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:56:18,076 INFO L82 PathProgramCache]: Analyzing trace with hash -761365629, now seen corresponding path program 1 times [2020-09-04 22:56:18,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:56:18,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1596811284] [2020-09-04 22:56:18,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:56:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:18,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:56:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:18,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:56:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:18,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 22:56:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:18,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-04 22:56:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:18,805 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 152 proven. 204 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-04 22:56:18,805 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1596811284] [2020-09-04 22:56:18,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:56:18,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-04 22:56:18,806 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785157497] [2020-09-04 22:56:18,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 22:56:18,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:56:18,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 22:56:18,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-09-04 22:56:18,808 INFO L87 Difference]: Start difference. First operand 4341 states and 4930 transitions. Second operand 11 states. [2020-09-04 22:56:23,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:56:23,687 INFO L93 Difference]: Finished difference Result 9050 states and 10280 transitions. [2020-09-04 22:56:23,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-04 22:56:23,688 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 323 [2020-09-04 22:56:23,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:56:23,711 INFO L225 Difference]: With dead ends: 9050 [2020-09-04 22:56:23,711 INFO L226 Difference]: Without dead ends: 4879 [2020-09-04 22:56:23,722 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=164, Invalid=648, Unknown=0, NotChecked=0, Total=812 [2020-09-04 22:56:23,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4879 states. [2020-09-04 22:56:24,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4879 to 4505. [2020-09-04 22:56:24,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4505 states. [2020-09-04 22:56:24,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4505 states to 4505 states and 5097 transitions. [2020-09-04 22:56:24,414 INFO L78 Accepts]: Start accepts. Automaton has 4505 states and 5097 transitions. Word has length 323 [2020-09-04 22:56:24,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:56:24,415 INFO L479 AbstractCegarLoop]: Abstraction has 4505 states and 5097 transitions. [2020-09-04 22:56:24,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 22:56:24,415 INFO L276 IsEmpty]: Start isEmpty. Operand 4505 states and 5097 transitions. [2020-09-04 22:56:24,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-09-04 22:56:24,422 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:56:24,422 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 22:56:24,422 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 22:56:24,423 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:56:24,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:56:24,423 INFO L82 PathProgramCache]: Analyzing trace with hash 796955354, now seen corresponding path program 1 times [2020-09-04 22:56:24,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:56:24,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [236662809] [2020-09-04 22:56:24,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:56:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:24,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:56:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:24,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:56:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:24,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-04 22:56:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:24,753 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-09-04 22:56:24,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [236662809] [2020-09-04 22:56:24,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:56:24,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-04 22:56:24,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819892760] [2020-09-04 22:56:24,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 22:56:24,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:56:24,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 22:56:24,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 22:56:24,755 INFO L87 Difference]: Start difference. First operand 4505 states and 5097 transitions. Second operand 5 states. [2020-09-04 22:56:26,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:56:26,923 INFO L93 Difference]: Finished difference Result 9768 states and 11129 transitions. [2020-09-04 22:56:26,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-04 22:56:26,923 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 335 [2020-09-04 22:56:26,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:56:26,949 INFO L225 Difference]: With dead ends: 9768 [2020-09-04 22:56:26,949 INFO L226 Difference]: Without dead ends: 5267 [2020-09-04 22:56:26,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-04 22:56:26,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5267 states. [2020-09-04 22:56:27,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5267 to 5249. [2020-09-04 22:56:27,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5249 states. [2020-09-04 22:56:27,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5249 states to 5249 states and 5921 transitions. [2020-09-04 22:56:27,586 INFO L78 Accepts]: Start accepts. Automaton has 5249 states and 5921 transitions. Word has length 335 [2020-09-04 22:56:27,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:56:27,586 INFO L479 AbstractCegarLoop]: Abstraction has 5249 states and 5921 transitions. [2020-09-04 22:56:27,586 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 22:56:27,586 INFO L276 IsEmpty]: Start isEmpty. Operand 5249 states and 5921 transitions. [2020-09-04 22:56:27,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2020-09-04 22:56:27,599 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:56:27,600 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2020-09-04 22:56:27,600 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 22:56:27,600 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:56:27,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:56:27,600 INFO L82 PathProgramCache]: Analyzing trace with hash -226725609, now seen corresponding path program 1 times [2020-09-04 22:56:27,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:56:27,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1350563209] [2020-09-04 22:56:27,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:56:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:27,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:56:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:27,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 22:56:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:27,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-04 22:56:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:27,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-04 22:56:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:27,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2020-09-04 22:56:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:56:28,022 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 187 proven. 4 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2020-09-04 22:56:28,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1350563209] [2020-09-04 22:56:28,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 22:56:28,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-04 22:56:28,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221174338] [2020-09-04 22:56:28,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 22:56:28,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:56:28,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 22:56:28,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 22:56:28,026 INFO L87 Difference]: Start difference. First operand 5249 states and 5921 transitions. Second operand 5 states. [2020-09-04 22:56:29,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:56:29,988 INFO L93 Difference]: Finished difference Result 10173 states and 11500 transitions. [2020-09-04 22:56:29,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-04 22:56:29,988 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 442 [2020-09-04 22:56:29,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:56:29,992 INFO L225 Difference]: With dead ends: 10173 [2020-09-04 22:56:29,992 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 22:56:30,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-04 22:56:30,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 22:56:30,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 22:56:30,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 22:56:30,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 22:56:30,004 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 442 [2020-09-04 22:56:30,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:56:30,004 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 22:56:30,004 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 22:56:30,005 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 22:56:30,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 22:56:30,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 22:56:30,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 22:56:42,371 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 159 [2020-09-04 22:56:42,751 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 159 [2020-09-04 22:56:43,127 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 159 [2020-09-04 22:57:07,864 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 159 [2020-09-04 22:57:39,637 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2020-09-04 22:57:39,754 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2020-09-04 22:57:39,876 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2020-09-04 22:57:40,037 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2020-09-04 22:57:40,157 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2020-09-04 22:57:40,273 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2020-09-04 22:57:40,403 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2020-09-04 22:57:45,535 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2020-09-04 22:58:03,017 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2020-09-04 22:58:03,136 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2020-09-04 22:58:03,265 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2020-09-04 22:58:03,438 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2020-09-04 22:58:03,623 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2020-09-04 22:58:03,738 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2020-09-04 22:58:03,869 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 68 [2020-09-04 22:58:21,554 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 41 [2020-09-04 22:58:50,789 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 159 [2020-09-04 22:59:00,275 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 43 [2020-09-04 22:59:20,512 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2020-09-04 22:59:42,305 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2020-09-04 22:59:59,379 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 159 [2020-09-04 22:59:59,753 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 159 [2020-09-04 23:00:00,129 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 159 [2020-09-04 23:00:00,506 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 159 [2020-09-04 23:00:00,818 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 104 [2020-09-04 23:00:00,965 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 105 [2020-09-04 23:00:01,774 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 97 [2020-09-04 23:00:02,004 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 101 [2020-09-04 23:00:02,276 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 115 [2020-09-04 23:00:02,743 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 104 [2020-09-04 23:00:03,011 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 111 [2020-09-04 23:00:03,338 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 105 [2020-09-04 23:00:03,576 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 95 [2020-09-04 23:00:03,875 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2020-09-04 23:00:04,070 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 89 [2020-09-04 23:00:04,215 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 99 [2020-09-04 23:00:04,382 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 84 [2020-09-04 23:00:04,574 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 103 [2020-09-04 23:00:04,822 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 100 [2020-09-04 23:00:05,004 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 107 [2020-09-04 23:00:05,175 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 108 [2020-09-04 23:00:05,588 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2020-09-04 23:00:05,782 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2020-09-04 23:00:06,014 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2020-09-04 23:00:06,197 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 104 [2020-09-04 23:00:06,553 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 104 [2020-09-04 23:00:06,932 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 98 [2020-09-04 23:00:08,673 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 104 [2020-09-04 23:00:08,821 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 105 [2020-09-04 23:00:09,623 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 97 [2020-09-04 23:00:09,852 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 101 [2020-09-04 23:00:10,128 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 115 [2020-09-04 23:00:10,598 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 104 [2020-09-04 23:00:10,868 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 111 [2020-09-04 23:00:11,195 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 105 [2020-09-04 23:00:11,727 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 96 [2020-09-04 23:00:11,922 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 89 [2020-09-04 23:00:12,067 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 99 [2020-09-04 23:00:12,234 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 84 [2020-09-04 23:00:12,425 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 103 [2020-09-04 23:00:12,672 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 100 [2020-09-04 23:00:12,855 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 107 [2020-09-04 23:00:13,028 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 108 [2020-09-04 23:00:13,630 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2020-09-04 23:00:13,861 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2020-09-04 23:00:14,044 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 104 [2020-09-04 23:00:14,146 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2020-09-04 23:00:14,401 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 104 [2020-09-04 23:00:14,779 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 98 [2020-09-04 23:01:20,238 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 159 [2020-09-04 23:01:36,238 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 50 [2020-09-04 23:01:37,149 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 57 [2020-09-04 23:01:38,005 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 48 [2020-09-04 23:01:38,831 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 48 [2020-09-04 23:01:39,558 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 51 [2020-09-04 23:01:40,403 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 50 [2020-09-04 23:01:41,908 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:01:42,805 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 51 [2020-09-04 23:01:43,774 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 53 [2020-09-04 23:01:44,723 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 62 [2020-09-04 23:01:46,157 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:01:47,596 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:01:48,866 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 178 DAG size of output: 66 [2020-09-04 23:01:49,950 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 183 DAG size of output: 57 [2020-09-04 23:01:50,953 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 57 [2020-09-04 23:01:51,814 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 49 [2020-09-04 23:01:53,025 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 223 DAG size of output: 65 [2020-09-04 23:01:54,137 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 188 DAG size of output: 56 [2020-09-04 23:01:55,256 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 182 DAG size of output: 61 [2020-09-04 23:01:56,520 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 205 DAG size of output: 64 [2020-09-04 23:01:57,353 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 46 [2020-09-04 23:01:58,397 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 202 DAG size of output: 49 [2020-09-04 23:01:59,484 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 189 DAG size of output: 66 [2020-09-04 23:02:00,346 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 52 [2020-09-04 23:02:01,414 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 204 DAG size of output: 49 [2020-09-04 23:02:02,500 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 183 DAG size of output: 59 [2020-09-04 23:02:03,571 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 155 DAG size of output: 58 [2020-09-04 23:02:04,633 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 155 DAG size of output: 58 [2020-09-04 23:02:05,710 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 155 DAG size of output: 58 [2020-09-04 23:02:06,677 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 51 [2020-09-04 23:02:07,727 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 199 DAG size of output: 49 [2020-09-04 23:02:09,201 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:02:10,687 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:02:11,592 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 50 [2020-09-04 23:02:12,344 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 37 [2020-09-04 23:02:13,192 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:02:14,653 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:02:15,513 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:02:16,984 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:02:18,449 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:02:19,301 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:02:20,153 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:02:21,635 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:02:23,107 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:02:23,962 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:02:25,466 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:02:26,937 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:02:28,416 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:02:29,364 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 50 [2020-09-04 23:02:30,229 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:02:31,094 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:02:32,582 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:02:33,439 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:02:34,930 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:02:36,010 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 155 DAG size of output: 58 [2020-09-04 23:02:37,193 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 186 DAG size of output: 59 [2020-09-04 23:02:38,676 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:02:40,184 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:02:41,667 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:02:42,634 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 57 [2020-09-04 23:02:44,119 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:02:45,610 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:02:46,745 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 176 DAG size of output: 55 [2020-09-04 23:02:47,577 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 49 [2020-09-04 23:02:48,547 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 51 [2020-09-04 23:02:49,806 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 187 DAG size of output: 66 [2020-09-04 23:02:50,870 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 186 DAG size of output: 54 [2020-09-04 23:02:52,368 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:02:53,867 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:02:54,872 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 62 [2020-09-04 23:02:56,359 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:02:57,344 WARN L193 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 57 [2020-09-04 23:02:58,393 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 190 DAG size of output: 66 [2020-09-04 23:02:59,391 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 50 [2020-09-04 23:03:00,434 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 181 DAG size of output: 53 [2020-09-04 23:03:01,950 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:03:03,078 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 184 DAG size of output: 65 [2020-09-04 23:03:04,576 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:03:05,613 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 201 DAG size of output: 50 [2020-09-04 23:03:07,048 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 213 DAG size of output: 61 [2020-09-04 23:03:08,112 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 197 DAG size of output: 52 [2020-09-04 23:03:09,112 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 54 [2020-09-04 23:03:10,653 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:03:12,169 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:03:13,204 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 178 DAG size of output: 52 [2020-09-04 23:03:14,470 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 201 DAG size of output: 54 [2020-09-04 23:03:15,638 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 197 DAG size of output: 63 [2020-09-04 23:03:16,583 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 53 [2020-09-04 23:03:17,580 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 52 [2020-09-04 23:03:18,422 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 53 [2020-09-04 23:03:19,937 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:03:20,829 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:03:22,340 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:03:23,390 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 179 DAG size of output: 54 [2020-09-04 23:03:24,920 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:03:26,036 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 205 DAG size of output: 49 [2020-09-04 23:03:26,989 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 48 [2020-09-04 23:03:28,505 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:03:29,551 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 201 DAG size of output: 50 [2020-09-04 23:03:30,711 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 209 DAG size of output: 65 [2020-09-04 23:03:31,666 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 48 [2020-09-04 23:03:32,575 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 49 [2020-09-04 23:03:33,778 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 186 DAG size of output: 57 [2020-09-04 23:03:34,782 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 54 [2020-09-04 23:03:35,773 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 49 [2020-09-04 23:03:37,300 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:03:38,157 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 48 [2020-09-04 23:03:39,278 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 203 DAG size of output: 54 [2020-09-04 23:03:40,821 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:03:42,393 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:03:43,286 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:03:44,443 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 185 DAG size of output: 57 [2020-09-04 23:03:45,407 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 50 [2020-09-04 23:03:46,580 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 181 DAG size of output: 57 [2020-09-04 23:03:47,829 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 190 DAG size of output: 59 [2020-09-04 23:03:49,086 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 205 DAG size of output: 64 [2020-09-04 23:03:50,352 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 179 DAG size of output: 63 [2020-09-04 23:03:51,320 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 58 [2020-09-04 23:03:52,519 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 223 DAG size of output: 58 [2020-09-04 23:03:54,066 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:03:55,623 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:03:56,590 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 50 [2020-09-04 23:03:57,481 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:03:58,473 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 50 [2020-09-04 23:04:00,013 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:04:00,913 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:04:02,467 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:04:04,008 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:04:04,985 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 56 [2020-09-04 23:04:05,955 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 54 [2020-09-04 23:04:06,962 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 187 DAG size of output: 51 [2020-09-04 23:04:08,517 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:04:09,543 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 186 DAG size of output: 46 [2020-09-04 23:04:10,829 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 177 DAG size of output: 57 [2020-09-04 23:04:11,880 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 184 DAG size of output: 51 [2020-09-04 23:04:12,911 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 52 [2020-09-04 23:04:13,934 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 191 DAG size of output: 51 [2020-09-04 23:04:14,977 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 181 DAG size of output: 62 [2020-09-04 23:04:16,543 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:04:17,718 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 209 DAG size of output: 65 [2020-09-04 23:04:18,787 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 200 DAG size of output: 49 [2020-09-04 23:04:19,868 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 194 DAG size of output: 61 [2020-09-04 23:04:21,092 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 223 DAG size of output: 58 [2020-09-04 23:04:21,968 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 48 [2020-09-04 23:04:22,885 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 49 [2020-09-04 23:04:24,457 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:04:26,036 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:04:27,641 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:04:29,208 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:04:30,218 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 189 DAG size of output: 48 [2020-09-04 23:04:31,807 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:04:32,678 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 48 [2020-09-04 23:04:33,963 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 203 DAG size of output: 53 [2020-09-04 23:04:35,139 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 194 DAG size of output: 54 [2020-09-04 23:04:36,718 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:04:37,772 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 178 DAG size of output: 51 [2020-09-04 23:04:39,351 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:04:40,915 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:04:42,027 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 187 DAG size of output: 55 [2020-09-04 23:04:43,604 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:04:44,448 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 49 [2020-09-04 23:04:45,500 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 184 DAG size of output: 62 [2020-09-04 23:04:46,354 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 49 [2020-09-04 23:04:47,957 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:04:49,034 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 200 DAG size of output: 49 [2020-09-04 23:04:49,953 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 48 [2020-09-04 23:04:51,532 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:04:53,048 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 213 DAG size of output: 61 [2020-09-04 23:04:54,140 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 194 DAG size of output: 61 [2020-09-04 23:04:55,121 WARN L193 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 50 [2020-09-04 23:04:56,024 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 49 [2020-09-04 23:04:57,016 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 56 [2020-09-04 23:04:57,869 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 37 [2020-09-04 23:04:58,795 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:05:00,400 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:05:01,981 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:05:02,930 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:05:03,978 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 190 DAG size of output: 55 [2020-09-04 23:05:05,147 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 181 DAG size of output: 57 [2020-09-04 23:05:06,099 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:05:07,152 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 182 DAG size of output: 58 [2020-09-04 23:05:08,263 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 194 DAG size of output: 61 [2020-09-04 23:05:09,574 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 185 DAG size of output: 63 [2020-09-04 23:05:10,793 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 184 DAG size of output: 57 [2020-09-04 23:05:12,386 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:05:13,988 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:05:14,922 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:05:15,844 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:05:16,852 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 180 DAG size of output: 50 [2020-09-04 23:05:18,465 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:05:19,398 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:05:20,405 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 180 DAG size of output: 50 [2020-09-04 23:05:22,015 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:05:22,953 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:05:24,554 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:05:26,162 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:05:27,107 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:05:28,735 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:05:29,951 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 182 DAG size of output: 57 [2020-09-04 23:05:31,567 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:05:33,171 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:05:34,773 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:05:36,380 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:05:37,320 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:05:38,286 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 50 [2020-09-04 23:05:39,487 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 155 DAG size of output: 58 [2020-09-04 23:05:40,350 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 48 [2020-09-04 23:05:41,355 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 56 [2020-09-04 23:05:42,468 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 200 DAG size of output: 53 [2020-09-04 23:05:43,666 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 189 DAG size of output: 66 [2020-09-04 23:05:44,845 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 179 DAG size of output: 55 [2020-09-04 23:05:45,888 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 176 DAG size of output: 51 [2020-09-04 23:05:47,225 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 180 DAG size of output: 57 [2020-09-04 23:05:48,198 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 49 [2020-09-04 23:05:49,277 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 180 DAG size of output: 57 [2020-09-04 23:05:50,303 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 180 DAG size of output: 55 [2020-09-04 23:05:51,389 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 176 DAG size of output: 51 [2020-09-04 23:05:52,431 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 182 DAG size of output: 56 [2020-09-04 23:05:54,058 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:05:55,276 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 194 DAG size of output: 54 [2020-09-04 23:05:56,921 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:05:58,256 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 194 DAG size of output: 54 [2020-09-04 23:05:59,371 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 200 DAG size of output: 53 [2020-09-04 23:06:00,354 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 46 [2020-09-04 23:06:01,993 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:06:03,289 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 186 DAG size of output: 59 [2020-09-04 23:06:04,925 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:06:05,949 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 180 DAG size of output: 50 [2020-09-04 23:06:07,596 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:06:08,616 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 180 DAG size of output: 50 [2020-09-04 23:06:09,918 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 183 DAG size of output: 59 [2020-09-04 23:06:11,064 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 186 DAG size of output: 51 [2020-09-04 23:06:12,333 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 192 DAG size of output: 57 [2020-09-04 23:06:13,226 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-09-04 23:06:14,886 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:06:16,236 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 205 DAG size of output: 64 [2020-09-04 23:06:17,312 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 191 DAG size of output: 51 [2020-09-04 23:06:18,428 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 200 DAG size of output: 53 [2020-09-04 23:06:19,757 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 186 DAG size of output: 59 [2020-09-04 23:06:20,764 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 191 DAG size of output: 55 [2020-09-04 23:06:21,864 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 177 DAG size of output: 47 [2020-09-04 23:06:22,833 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:06:24,473 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:06:26,125 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:06:27,791 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:06:28,762 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:06:29,728 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:06:30,777 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 180 DAG size of output: 50 [2020-09-04 23:06:32,436 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:06:34,105 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:06:35,779 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:06:36,775 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 48 [2020-09-04 23:06:38,140 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 203 DAG size of output: 53 [2020-09-04 23:06:39,398 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 181 DAG size of output: 53 [2020-09-04 23:06:41,073 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:06:42,044 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 50 [2020-09-04 23:06:43,251 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 204 DAG size of output: 54 [2020-09-04 23:06:44,918 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:06:46,623 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:06:48,295 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:06:49,184 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 48 [2020-09-04 23:06:50,841 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 189 DAG size of output: 65 [2020-09-04 23:06:51,904 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 185 DAG size of output: 57 [2020-09-04 23:06:53,166 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 190 DAG size of output: 68 [2020-09-04 23:06:54,841 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:06:55,834 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 52 [2020-09-04 23:06:57,015 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 202 DAG size of output: 54 [2020-09-04 23:06:58,166 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 180 DAG size of output: 50 [2020-09-04 23:06:59,147 WARN L193 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:07:00,828 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:07:01,796 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:07:03,476 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:07:05,149 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:07:06,845 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:07:07,818 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:07:08,892 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 184 DAG size of output: 51 [2020-09-04 23:07:09,874 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:07:11,011 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 182 DAG size of output: 51 [2020-09-04 23:07:12,697 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:07:14,382 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:07:16,073 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:07:17,550 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 178 DAG size of output: 66 [2020-09-04 23:07:19,265 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:07:20,484 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 175 DAG size of output: 63 [2020-09-04 23:07:21,485 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 51 [2020-09-04 23:07:23,174 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:07:24,315 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 186 DAG size of output: 50 [2020-09-04 23:07:25,634 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 223 DAG size of output: 58 [2020-09-04 23:07:27,349 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:07:29,043 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:07:30,359 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 199 DAG size of output: 56 [2020-09-04 23:07:31,777 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 201 DAG size of output: 54 [2020-09-04 23:07:32,771 WARN L193 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 48 [2020-09-04 23:07:34,473 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:07:36,181 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:07:37,203 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 207 DAG size of output: 49 [2020-09-04 23:07:38,529 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 223 DAG size of output: 58 [2020-09-04 23:07:40,228 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:07:41,209 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 48 [2020-09-04 23:07:42,553 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 178 DAG size of output: 56 [2020-09-04 23:07:43,533 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 49 [2020-09-04 23:07:45,271 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:07:46,419 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 176 DAG size of output: 55 [2020-09-04 23:07:47,445 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 178 DAG size of output: 52 [2020-09-04 23:07:48,612 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 190 DAG size of output: 57 [2020-09-04 23:07:49,746 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 177 DAG size of output: 52 [2020-09-04 23:07:51,468 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:07:52,790 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 155 DAG size of output: 58 [2020-09-04 23:07:54,016 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 155 DAG size of output: 58 [2020-09-04 23:07:55,371 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 155 DAG size of output: 58 [2020-09-04 23:07:56,726 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 155 DAG size of output: 58 [2020-09-04 23:08:15,494 WARN L193 SmtUtils]: Spent 18.76 s on a formula simplification. DAG size of input: 499 DAG size of output: 208 [2020-09-04 23:08:17,327 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:08:36,383 WARN L193 SmtUtils]: Spent 19.01 s on a formula simplification. DAG size of input: 499 DAG size of output: 208 [2020-09-04 23:08:37,797 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 192 DAG size of output: 54 [2020-09-04 23:08:38,880 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 183 DAG size of output: 49 [2020-09-04 23:08:40,748 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:08:42,181 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 192 DAG size of output: 54 [2020-09-04 23:08:43,506 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 202 DAG size of output: 54 [2020-09-04 23:08:44,777 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 184 DAG size of output: 57 [2020-09-04 23:08:46,075 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 187 DAG size of output: 53 [2020-09-04 23:08:47,641 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 195 DAG size of output: 56 [2020-09-04 23:08:49,541 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2020-09-04 23:08:50,546 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 48